* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Apple-inspired design system with brand colors */
    --bg-color: #0a1628; /* Dark blue background (brand) */
    --card-bg: #1a2332; /* Dark blue-gray for cards (brand) */
    --card-bg-elevated: #2a3344; /* Elevated card background */
    --primary-color: #00d4ff; /* Electric blue (brand) */
    --secondary-color: #00ff7f; /* Luminous green (brand) */
    --success-color: #00ff7f; /* Luminous green */
    --text-primary: #ffffff; /* Pure white for primary text */
    --text-secondary: #b0b8c8; /* Light gray for secondary text */
    --text-tertiary: #636366; /* Lighter gray for tertiary text */
    --border-radius: 16px; /* Larger border radius (Apple style) */
    --border-radius-small: 12px;
    --border-radius-large: 20px;
    
    /* Soft shadows with brand color tints */
    --shadow-sm: 0 1px 3px rgba(0, 212, 255, 0.15), 0 1px 2px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 6px rgba(0, 212, 255, 0.12), 0 2px 4px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 10px 15px rgba(0, 212, 255, 0.1), 0 4px 6px rgba(0, 0, 0, 0.06);
    --shadow-xl: 0 20px 25px rgba(0, 212, 255, 0.08), 0 8px 10px rgba(0, 0, 0, 0.04);
    --shadow-green: 0 4px 6px rgba(0, 255, 127, 0.12), 0 2px 4px rgba(0, 0, 0, 0.08);
    
    /* Spacing (Apple style) */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
}

html {
    overflow-x: hidden;
    /* Support for safe area insets on iPhone */
    height: 100%;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    margin: 0;
    padding: 0;
    width: 100%;
    /* Telegram WebApp официальные CSS-переменные для fullscreen */
    padding-top: var(--tg-content-safe-area-inset-top, 0px);
    padding-bottom: var(--tg-content-safe-area-inset-bottom, 0px);
    min-height: 100vh;
    min-height: var(--tg-viewport-height, 100vh);
}

#app {
    padding: var(--spacing-md);
    /* БОЛЬШОЙ отступ сверху
       Подложка занимает 100px
       Header должен начинаться НИЖЕ неё + небольшой зазор */
    padding-top: 120px;
    /* Нижний отступ для системной полоски iPhone */
    padding-bottom: max(20px, calc(env(safe-area-inset-bottom) + 8px));
    max-width: 600px;
    margin: 0 auto;
    min-height: 100vh;
}

/* НЕПРОЗРАЧНАЯ ПОДЛОЖКА для статус-бара и кнопок Telegram
   Закрывает контент сверху, чтобы он не просвечивался */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    /* Высота = системный статус-бар + кнопки Telegram */
    height: max(100px, calc(env(safe-area-inset-top) + 56px));
    background: var(--bg-color); /* Непрозрачный темно-синий фон */
    z-index: 9998; /* Ниже модалок, но выше контента */
    pointer-events: none; /* Не блокирует клики */
}

/* Футер - всегда внизу каждой страницы */
#app-footer {
    margin-top: 40px;
    padding: 16px var(--spacing-md);
    /* Отступ от системной полоски iPhone */
    padding-bottom: max(40px, calc(env(safe-area-inset-bottom) + 24px)) !important;
}

/* Header внутри контента (НЕ sticky) */
header {
    background: var(--card-bg);
    color: var(--text-primary);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-large);
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    border: 0.5px solid rgba(0, 212, 255, 0.2);
}

.header-main {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
}

.header-icon-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
    border-radius: 14px;
    width: 48px;
    height: 48px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    box-shadow: var(--shadow-sm);
    position: relative;
    transition: all 0.2s ease;
    line-height: 0;
}

.header-icon-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(0, 212, 255, 0.3);
}

.notification-badge {
    position: absolute;
    top: -4px;
    right: -4px;
    min-width: 18px;
    height: 18px;
    border-radius: 999px;
    background: #ff4d6d;
    color: white;
    font-size: 11px;
    font-weight: 600;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 0 4px;
}

.notification-badge.visible {
    display: flex;
}

/* Loading Screen */
.screen {
    display: none;
}

.screen.active {
    display: block;
}

#loading {
    text-align: center;
    padding: 40px;
}

.loader {
    border: 4px solid #f3f3f3;
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.user-info {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-xs);
    gap: var(--spacing-md);
    flex-wrap: wrap;
    border-radius: var(--border-radius) !important; /* Always rounded, override any media queries */
    overflow: hidden;
    background: var(--card-bg);
    width: 100%;
}

.user-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: var(--shadow);
}

.user-avatar span {
    font-size: 28px;
}

.user-details {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.user-info h1 {
    font-size: 24px;
    font-weight: 600;
    margin: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.level-badge {
    background: rgba(255, 255, 255, 0.2);
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: bold;
    align-self: flex-start;
}

.user-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}

.xp-bar {
    position: relative;
    background: rgba(255, 255, 255, 0.2);
    height: 24px;
    border-radius: 12px;
    overflow: hidden;
}

.xp-progress {
    background: rgba(255, 255, 255, 0.9);
    height: 100%;
    transition: width 0.3s ease;
    border-radius: 12px;
}

.xp-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 12px;
    font-weight: 600;
}

/* Tabs */
.tabs {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.feed-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 16px;
}

.feed-header h2 {
    margin: 0;
    font-size: 22px;
}

.feed-subtitle {
    margin: 4px 0 0 0;
    font-size: 14px;
    color: var(--text-secondary);
}

.feed-actions .icon-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
    border-radius: 12px;
    width: 42px;
    height: 42px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    line-height: 0;
}

.feed-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.feed-card {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 16px;
    box-shadow: var(--shadow);
    border: 0.5px solid rgba(255, 255, 255, 0.08);
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.feed-card-header {
    display: flex;
    gap: 12px;
}

.feed-card-avatar {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.04);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    flex-shrink: 0;
    font-size: 20px;
}

.feed-card-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.feed-card-body {
    flex: 1;
}

.feed-card-body h4 {
    margin: 0 0 6px 0;
    font-size: 16px;
    font-weight: 600;
}

.feed-message {
    font-size: 15px;
    color: var(--text-primary);
    margin: 0 0 6px 0;
    line-height: 1.4;
}

.feed-note {
    font-size: 14px;
    color: var(--text-secondary);
    padding: 10px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
}

.notification-note {
    font-size: 13px;
    margin-top: 6px;
    color: var(--text-secondary);
    padding: 8px;
    background: rgba(255, 255, 255, 0.04);
    border-radius: 10px;
}

.feed-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    color: var(--text-secondary);
}

.reaction-row {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.reaction-button {
    flex: 1;
    min-width: 90px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: var(--text-secondary);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.reaction-button.active {
    background: rgba(0, 212, 255, 0.15);
    color: var(--text-primary);
    border-color: var(--primary-color);
    box-shadow: 0 0 12px rgba(0, 212, 255, 0.25);
}

.reaction-button span {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.icon-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
    border-radius: 12px;
    width: 42px;
    height: 42px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
}

.notifications-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.notification-card {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 16px;
    box-shadow: var(--shadow);
    border: 0.5px solid rgba(255, 255, 255, 0.08);
    display: flex;
    gap: 12px;
}

.notification-emoji {
    font-size: 24px;
}

.notification-body {
    flex: 1;
}

.notification-body h4 {
    margin: 0 0 6px 0;
    font-size: 16px;
    font-weight: 600;
}

.notification-body p {
    margin: 0;
    font-size: 14px;
    color: var(--text-secondary);
}

.notification-time {
    margin-top: 6px;
    font-size: 12px;
    color: var(--text-secondary);
}

.skeleton-line,
.skeleton-block {
    background: linear-gradient(90deg, rgba(255,255,255,0.05), rgba(255,255,255,0.15), rgba(255,255,255,0.05));
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: 10px;
    height: 12px;
}

.skeleton-block {
    width: 48px;
    height: 48px;
    border-radius: 14px;
}

@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

.tab {
    flex: 1;
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--card-bg);
    border: 0.5px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    color: var(--text-primary);
    letter-spacing: -0.01em;
}

.tab:hover {
    background: var(--card-bg-elevated);
}

.tab.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    box-shadow: var(--shadow-sm);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* Challenges List */
.challenges-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.challenge-card {
    background: var(--card-bg);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-large);
    box-shadow: var(--shadow-sm);
    border: 0.5px solid rgba(0, 212, 255, 0.15);
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.challenge-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    background: var(--card-bg-elevated);
}

.challenge-card:active {
    transform: scale(0.98);
}

.challenge-card .challenge-header {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.challenge-card .challenge-header h3 {
    font-size: 19px;
    font-weight: 700;
    margin: 0;
    flex: 1;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.challenge-card .activity-type {
    color: var(--text-secondary);
    font-size: 15px;
    margin-bottom: var(--spacing-md);
    font-weight: 500;
}

.challenge-card .progress-bar-small {
    background: rgba(255, 255, 255, 0.1);
    height: 6px;
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: var(--spacing-sm);
}

.challenge-card .progress-fill {
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    height: 100%;
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.challenge-card .stats {
    display: flex;
    justify-content: space-between;
    font-size: 13px;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.stat-card {
    background: var(--card-bg);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-large);
    text-align: center;
    box-shadow: var(--shadow-sm);
    border: 0.5px solid rgba(0, 212, 255, 0.15);
}

.stat-value {
    font-size: 32px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
    letter-spacing: -0.02em;
}

.stat-label {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
}

/* Actions Grid */
.actions-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.action-btn {
    background: var(--card-bg);
    border: 0.5px solid rgba(255, 255, 255, 0.1);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-large);
    text-align: center;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
}

.action-btn:hover {
    background: var(--card-bg-elevated);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.action-btn:active {
    transform: scale(0.97);
    box-shadow: var(--shadow-sm);
}

.action-icon {
    font-size: 32px;
}

.action-text {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: -0.01em;
}

/* Achievements */
.achievements-section h2 {
    margin-bottom: 12px;
}

.achievements-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.achievement-card {
    background: var(--card-bg);
    padding: 16px;
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: var(--shadow);
}

.achievement-card.locked {
    opacity: 0.5;
}

.achievement-card .emoji {
    font-size: 32px;
    margin-bottom: 8px;
}

.achievement-card .name {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 4px;
}

.achievement-card .description {
    font-size: 11px;
    color: var(--text-secondary);
}

/* Challenge Detail */
.screen-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.sticky-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--bg-color);
    padding: 12px 0;
    margin-bottom: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.back-btn {
    background: var(--card-bg);
    border: 0.5px solid rgba(255, 255, 255, 0.1);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    box-shadow: var(--shadow-sm);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    letter-spacing: -0.01em;
}

.back-btn:hover {
    background: var(--card-bg-elevated);
    box-shadow: var(--shadow-md);
    border-color: rgba(0, 212, 255, 0.2);
}

.back-btn:active {
    transform: scale(0.97);
    box-shadow: var(--shadow-sm);
}

.challenge-detail {
    background: var(--card-bg);
    padding: 20px;
    padding-bottom: 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    margin-bottom: 20px;
}

.progress-section {
    margin-bottom: 30px;
}

.progress-bar-horizontal {
    position: relative;
    background: #2a3344;
    height: 40px;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.progress-bar-fill {
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    height: 100%;
    transition: width 0.5s ease;
    border-radius: 20px;
    min-width: 0%;
}

.progress-bar-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    text-shadow: 0 1px 2px rgba(255, 255, 255, 0.8);
}

.progress-percentage {
    font-size: 16px;
    font-weight: bold;
    color: var(--primary-color);
}

.progress-circle {
    width: 120px;
    height: 120px;
    margin: 0 auto 16px;
}

.progress-circle svg {
    transform: rotate(-90deg);
}

.progress-bg {
    fill: none;
    stroke: #e0e0e0;
    stroke-width: 8;
}

.progress-bar {
    fill: none;
    stroke: var(--primary-color);
    stroke-width: 8;
    stroke-linecap: round;
    stroke-dasharray: 339.292;
    stroke-dashoffset: 339.292;
    transition: stroke-dashoffset 0.5s ease;
}

.progress-text {
    transform: rotate(90deg);
    transform-origin: center;
    font-size: 20px;
    font-weight: bold;
    fill: var(--text-primary);
    text-anchor: middle;
    dominant-baseline: middle;
}

.progress-info {
    font-size: 14px;
    color: var(--text-secondary);
}

.progress-info p {
    margin: 4px 0;
}

.progress-current {
    font-size: 24px;
    font-weight: bold;
    color: var(--text-primary);
}

/* Chart Section */
.chart-section {
    margin-bottom: 30px;
}

.chart-section h3 {
    margin-bottom: 16px;
}

/* Leaderboard */
.leaderboard-section h3 {
    margin-bottom: 16px;
}

.leaderboard {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.leaderboard-item {
    display: flex;
    align-items: center;
    padding: 12px;
    background: var(--card-bg);
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
    border: 0.5px solid rgba(0, 212, 255, 0.1);
}

.leaderboard-item.top-1 {
    background: linear-gradient(135deg, #ffd700, #ffed4e);
}

.leaderboard-item.top-1 .leaderboard-name,
.leaderboard-item.top-1 .leaderboard-rank,
.leaderboard-item.top-1 .leaderboard-value {
    color: #1a1a1a !important;
    text-shadow: none !important;
}

.leaderboard-item.top-2 {
    background: linear-gradient(135deg, #c0c0c0, #e8e8e8);
}

.leaderboard-item.top-2 .leaderboard-name,
.leaderboard-item.top-2 .leaderboard-rank,
.leaderboard-item.top-2 .leaderboard-value {
    color: #1a1a1a !important;
    text-shadow: none !important;
}

.leaderboard-item.top-3 {
    background: linear-gradient(135deg, #cd7f32, #e6a857);
}

.leaderboard-item.top-3 .leaderboard-name,
.leaderboard-item.top-3 .leaderboard-rank,
.leaderboard-item.top-3 .leaderboard-value {
    color: #1a1a1a !important;
    text-shadow: none !important;
}

.leaderboard-rank {
    font-size: 18px;
    font-weight: bold;
    margin-right: 12px;
    min-width: 30px;
}

.leaderboard-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 12px;
    flex-shrink: 0;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.leaderboard-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}

.leaderboard-avatar span {
    color: white;
    font-size: 18px;
    font-weight: bold;
}

.leaderboard-name {
    flex: 1;
    font-weight: 500;
    text-shadow: none; /* No text shadow */
    box-shadow: none; /* No box shadow on text */
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.leaderboard-value {
    font-weight: bold;
    color: var(--primary-color);
    text-shadow: none; /* No text shadow */
    box-shadow: none; /* No box shadow on text */
    margin-left: auto;
    flex-shrink: 0;
    white-space: nowrap;
}

.leaderboard-rank {
    text-shadow: none; /* No text shadow */
    box-shadow: none; /* No box shadow on text */
}

/* Challenge Info Section */
.challenge-info-section {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    margin-bottom: 16px;
    box-shadow: var(--shadow);
    overflow: hidden;
}

.challenge-info-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px;
    cursor: pointer;
    user-select: none;
    transition: background 0.3s ease;
}

.challenge-info-header:hover {
    background: var(--card-bg);
}

.challenge-info-header h4 {
    margin: 0;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
}

.toggle-icon {
    font-size: 14px;
    color: var(--text-secondary);
    transition: transform 0.3s ease;
}

.challenge-info-header.active .toggle-icon {
    transform: rotate(180deg);
}

.challenge-info-content {
    padding: 0 16px 16px 16px;
}

.challenge-meta {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-bottom: 12px;
}

.meta-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.meta-label {
    font-size: 12px;
    color: var(--text-secondary);
}

.meta-value {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

.code-value {
    font-family: monospace;
    background: var(--card-bg);
    padding: 4px 8px;
    border-radius: 6px;
    font-size: 16px;
    letter-spacing: 1px;
}

.challenge-description {
    margin-bottom: 12px;
    padding: 12px;
    background: var(--card-bg);
    border-radius: 8px;
}

.challenge-description p {
    font-size: 14px;
    color: var(--text-primary);
    line-height: 1.5;
    margin: 0;
}

.challenge-actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.invite-btn,
.participants-btn {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--card-bg);
    border: 0.5px solid var(--primary-color);
    border-radius: var(--border-radius-large);
    color: var(--primary-color);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-sm);
    letter-spacing: -0.01em;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    text-align: left;
}

.invite-btn:hover,
.participants-btn:hover {
    background: rgba(0, 212, 255, 0.1);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.invite-btn:active,
.participants-btn:active {
    transform: scale(0.97);
    box-shadow: var(--shadow-sm);
}

.view-all-participants-btn {
    width: 100%;
    margin-top: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--card-bg);
    border: 0.5px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-large);
    color: var(--text-primary);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-sm);
    letter-spacing: -0.01em;
}

.view-all-participants-btn:hover {
    border-color: var(--primary-color);
    background: var(--card-bg-elevated);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.view-all-participants-btn:active {
    transform: scale(0.97);
    box-shadow: var(--shadow-sm);
}

/* Add Result Button - Floating */
.add-result-btn-floating {
    position: fixed;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--primary-color);
    color: white;
    border: none;
    font-size: 28px;
    font-weight: 600;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

.add-result-btn-floating:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-xl);
}

.add-result-btn-floating:active {
    transform: scale(0.95);
    box-shadow: var(--shadow-md);
}

/* Old Add Result Button (hidden) */
.add-result-btn {
    display: none;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: var(--spacing-2xl) var(--spacing-lg);
    color: var(--text-secondary);
}

.empty-state-emoji {
    font-size: 48px;
    margin-bottom: var(--spacing-lg);
}

.empty-state p {
    color: var(--text-primary);
    font-size: 16px;
    font-weight: 500;
    margin-bottom: var(--spacing-xl);
}

.empty-state .btn-primary,
.empty-state .btn-secondary {
    display: inline-block;
    padding: var(--spacing-md) var(--spacing-lg);
    margin: 0 var(--spacing-sm);
    border-radius: var(--border-radius-large);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-sm);
    letter-spacing: -0.01em;
    border: none;
}

.empty-state .btn-primary {
    background: var(--primary-color);
    color: #ffffff;
    box-shadow: var(--shadow-md);
}

.empty-state .btn-primary:hover {
    background: #00b8e6;
    box-shadow: var(--shadow-lg);
    transform: translateY(-1px);
}

.empty-state .btn-primary:active {
    transform: scale(0.97);
    box-shadow: var(--shadow-sm);
}

.empty-state .btn-secondary {
    background: var(--card-bg);
    color: var(--text-primary);
    border: 0.5px solid rgba(0, 212, 255, 0.2);
}

.empty-state .btn-secondary:hover {
    background: var(--card-bg-elevated);
    border-color: rgba(0, 212, 255, 0.3);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.empty-state .btn-secondary:active {
    transform: scale(0.97);
    box-shadow: var(--shadow-sm);
}

/* Type Filter Buttons */
.type-filter-buttons {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
}

.type-filter-btn {
    flex: 1;
    min-width: 0;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--card-bg);
    border: 0.5px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-sm);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: var(--text-primary);
    letter-spacing: -0.01em;
}

.type-filter-btn:hover {
    background: var(--card-bg-elevated);
    box-shadow: var(--shadow-md);
}

.type-filter-btn.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    box-shadow: var(--shadow-sm);
}

/* Filter Buttons */
.filter-buttons {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.filter-btn {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--card-bg);
    border: 0.5px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-sm);
    color: var(--text-primary);
    letter-spacing: -0.01em;
}

.filter-btn:hover {
    background: var(--card-bg-elevated);
    box-shadow: var(--shadow-md);
}

.filter-btn.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    box-shadow: var(--shadow-sm);
}

/* Profile Actions */
.profile-actions {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.profile-action-btn {
    flex: 1;
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--card-bg);
    border: 0.5px solid rgba(0, 212, 255, 0.2);
    border-radius: var(--border-radius-large);
    color: var(--text-primary);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-sm);
    letter-spacing: -0.01em;
}

.profile-action-btn:hover {
    background: var(--card-bg-elevated);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
    border-color: rgba(0, 212, 255, 0.3);
}

.profile-action-btn:active {
    transform: scale(0.97);
    box-shadow: var(--shadow-sm);
}

/* Extended Stats Section */
.extended-stats-section {
    background: var(--card-bg);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-large);
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    border: 0.5px solid rgba(0, 212, 255, 0.15);
}

.extended-stats-section h2 {
    font-size: 18px;
    margin-bottom: 12px;
}

.activity-stats {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 16px;
}

.activity-stat-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px;
    background: var(--card-bg);
    border-radius: 8px;
}

.activity-stat-label {
    font-size: 14px;
    color: var(--text-primary);
}

.activity-stat-value {
    font-size: 14px;
    font-weight: bold;
    color: var(--primary-color);
}

.streak-info {
    padding: 12px;
    background: linear-gradient(135deg, #ff6b6b, #ff8e53);
    color: white;
    border-radius: 8px;
    text-align: center;
}

.streak-info .streak-emoji {
    font-size: 24px;
    margin-bottom: 4px;
}

.streak-info .streak-text {
    font-size: 14px;
    font-weight: 600;
}

/* Settings Button */
.settings-btn {
    width: 100%;
    padding: 14px;
    background: var(--card-bg);
    border: 2px solid var(--primary-color);
    border-radius: var(--border-radius);
    color: var(--primary-color);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    margin-bottom: 16px;
    transition: all 0.3s ease;
}

.settings-btn:active {
    transform: scale(0.98);
    background: var(--primary-color);
    color: white;
}

/* Settings Screen */
.settings-content {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.setting-item {
    background: var(--card-bg);
    padding: 16px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.setting-info {
    flex: 1;
    margin-right: 16px;
}

.setting-title {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 4px;
}

.setting-description {
    font-size: 12px;
    color: var(--text-secondary);
}

/* Toggle Switch */
.switch {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 28px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    transition: 0.4s;
    border-radius: 28px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 20px;
    width: 20px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: 0.4s;
    border-radius: 50%;
}

input:checked + .slider {
    background-color: var(--success-color);
}

input:checked + .slider:before {
    transform: translateX(22px);
}

/* Team Info Section */
.team-info-section {
    margin-bottom: 30px;
    background: var(--card-bg);
    padding: 20px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.team-info-section h3 {
    margin-bottom: 16px;
    font-size: 18px;
    font-weight: 600;
}

.teams-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.team-card {
    background: var(--card-bg);
    padding: 16px;
    border-radius: 12px;
    border: 2px solid #e0e0e0;
    transition: all 0.3s ease;
}

.team-card:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow);
    transform: translateY(-2px);
}

.team-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.team-name {
    font-size: 18px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.team-progress {
    font-size: 16px;
    font-weight: bold;
    color: var(--primary-color);
}

.team-members {
    font-size: 14px;
    color: var(--text-secondary);
    margin-top: 8px;
}

.team-member-list {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid #e0e0e0;
}

.team-member {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    font-size: 14px;
    gap: 12px;
}

.team-member-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.team-member-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}

.team-member-avatar span {
    color: white;
    font-size: 14px;
    font-weight: bold;
}

.team-member-name {
    flex: 1;
}

.team-member-progress {
    font-weight: 600;
    color: var(--text-secondary);
}

/* Activities List */
.activities-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.activity-item {
    background: var(--card-bg);
    padding: 16px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.activity-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.activity-type {
    font-size: 16px;
    font-weight: 600;
}

.activity-value {
    font-size: 18px;
    font-weight: bold;
    color: var(--primary-color);
}

.activity-date {
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.activity-note {
    font-size: 13px;
    color: var(--text-primary);
    font-style: italic;
}

/* Challenge Mode Badge */
.challenge-mode-badge {
    display: inline-block;
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
    margin-left: 8px;
}

.challenge-mode-badge.team {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
}

.challenge-mode-badge.individual {
    background: #2a3344;
    color: var(--text-primary);
}

.challenge-mode-badge.individual-only {
    background: #ff9800;
    color: white;
}

.challenge-mode-badge.general {
    background: var(--primary-color);
    color: white;
}

/* Load More Button */
.load-more-btn {
    padding: 12px 24px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.load-more-btn:active {
    transform: scale(0.98);
}

/* Achievements Detail */
.achievements-detail-content {
    padding: 16px;
}

.achievements-detail-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.achievement-detail-card {
    background: var(--card-bg);
    padding: 20px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.achievement-detail-card.locked {
    opacity: 0.6;
}

.achievement-detail-card.unlocked {
    background: var(--card-bg);
    border: 2px solid #ffd700;
}

.achievement-detail-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 12px;
}

.achievement-detail-emoji {
    font-size: 48px;
}

.achievement-detail-info {
    flex: 1;
}

.achievement-detail-name {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 4px;
}

.achievement-detail-description {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.achievement-detail-xp {
    font-size: 14px;
    color: var(--primary-color);
    font-weight: 600;
}

.achievement-status {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
    margin-top: 8px;
}

.achievement-status.unlocked {
    background: #4caf50;
    color: white;
}

.achievement-status.locked {
    background: #2a3344;
    color: var(--text-secondary);
}

/* Mobile Responsive Styles - iPhone SE, iPhone 12/13/14 mini */
@media screen and (max-width: 390px) {
    body {
        padding: 0;
        padding-top: max(0px, env(safe-area-inset-top));
        padding-bottom: max(0px, env(safe-area-inset-bottom));
        font-size: 13px;
    }
    
    #app {
        padding: 10px;
        padding-left: max(10px, calc(10px + env(safe-area-inset-left)));
        padding-right: max(10px, calc(10px + env(safe-area-inset-right)));
        /* КРИТИЧНО: сохраняем отступ 120px для Telegram fullscreen */
        padding-top: 120px !important;
        padding-bottom: max(10px, env(safe-area-inset-bottom));
    }
    
    header {
        padding: 14px;
        padding-left: max(14px, calc(14px + env(safe-area-inset-left)));
        padding-right: max(14px, calc(14px + env(safe-area-inset-right)));
        margin: 0 0 12px 0;
        border-radius: var(--border-radius-large);
        background: transparent;
    }
    
    .user-info {
        padding: var(--spacing-xs);
        gap: var(--spacing-sm);
        margin-bottom: var(--spacing-md);
        border-radius: var(--border-radius) !important; /* Always rounded */
        background: var(--card-bg);
    }
    
    .user-info h1 {
        font-size: 16px;
        flex: 1;
        min-width: 100px;
    }
    
    .level-badge {
        font-size: 10px;
        padding: 3px 6px;
        white-space: nowrap;
        flex-shrink: 0;
    }
    
    .type-filter-btn {
        padding: var(--spacing-sm) var(--spacing-xs);
        font-size: 12px;
        border-radius: var(--border-radius) !important;
    }
    
    .filter-btn {
        padding: var(--spacing-sm) var(--spacing-xs);
        font-size: 12px;
        border-radius: var(--border-radius) !important;
    }
    
    .tab {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 13px;
        border-radius: var(--border-radius) !important;
    }
}

/* Mobile Responsive Styles - iPhone 12/13/14, iPhone 14 Plus */
@media screen and (min-width: 391px) and (max-width: 480px) {
    body {
        padding: 0;
        padding-top: max(0px, env(safe-area-inset-top));
        padding-bottom: max(0px, env(safe-area-inset-bottom));
        font-size: 14px;
    }
    
    #app {
        padding: 12px;
        padding-left: max(12px, calc(12px + env(safe-area-inset-left)));
        padding-right: max(12px, calc(12px + env(safe-area-inset-right)));
        /* КРИТИЧНО: сохраняем отступ 120px для Telegram fullscreen */
        padding-top: 120px !important;
        padding-bottom: max(12px, env(safe-area-inset-bottom));
    }
    
    /* Header adjustments */
    header {
        padding: 16px;
        padding-left: max(16px, calc(16px + env(safe-area-inset-left)));
        padding-right: max(16px, calc(16px + env(safe-area-inset-right)));
        margin: 0 0 16px 0;
        border-radius: var(--border-radius-large);
        background: transparent;
    }
    
    .user-info {
        padding: var(--spacing-xs);
        gap: var(--spacing-sm);
        margin-bottom: var(--spacing-md);
        border-radius: var(--border-radius) !important; /* Always rounded */
        background: var(--card-bg);
    }
    
    .user-info h1 {
        font-size: 18px;
        flex: 1;
        min-width: 120px;
    }
    
    .level-badge {
        font-size: 11px;
        padding: 4px 8px;
        white-space: nowrap;
        flex-shrink: 0;
    }
    
    /* Tabs */
    .tabs {
        gap: 6px;
        margin-bottom: 12px;
        flex-wrap: nowrap;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .tab {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 13px;
        white-space: nowrap;
        min-width: fit-content;
        border-radius: var(--border-radius) !important;
    }
    
    .type-filter-btn {
        padding: var(--spacing-sm) var(--spacing-xs);
        font-size: 12px;
        border-radius: var(--border-radius) !important;
    }
    
    .filter-btn {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 13px;
        border-radius: var(--border-radius) !important;
    }
    
    /* Challenge cards */
    .challenge-card {
        padding: 12px;
    }
    
    .challenge-header h3 {
        font-size: 16px;
    }
    
    .challenge-meta {
        font-size: 12px;
    }
    
    /* Actions grid */
    .actions-grid {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
    }
    
    .action-btn {
        padding: 16px 12px;
    }
    
    .action-icon {
        font-size: 28px;
        margin-bottom: 6px;
    }
    
    .action-text {
        font-size: 12px;
    }
    
    /* Stats cards */
    .stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
    }
    
    .stat-card {
        padding: 12px;
    }
    
    .stat-value {
        font-size: 24px;
    }
    
    .stat-label {
        font-size: 12px;
    }
    
    /* Achievements */
    .achievements-grid {
        grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
        gap: 10px;
    }
    
    .achievement-card {
        padding: 12px 8px;
    }
    
    .achievement-emoji {
        font-size: 28px;
    }
    
    .achievement-name {
        font-size: 11px;
    }
    
    /* Buttons */
    .btn-primary, .btn-secondary {
        padding: 10px 16px;
        font-size: 14px;
    }
    
    /* Challenge detail */
    .challenge-detail-header h2 {
        font-size: 20px;
    }
    
    .challenge-detail-meta {
        font-size: 12px;
    }
    
    /* Progress bars */
    .progress-bar {
        height: 20px;
    }
    
    .progress-text {
        font-size: 11px;
    }
    
    /* Leaderboard */
    .leaderboard-item {
        padding: 10px;
    }
    
    .leaderboard-rank {
        font-size: 16px;
        min-width: 35px;
    }
    
    .leaderboard-name {
        font-size: 14px;
    }
    
    .leaderboard-value {
        font-size: 14px;
    }
    
    /* Challenge info section */
    .challenge-info-section {
        padding: 12px;
        margin-bottom: 12px;
    }
    
    .challenge-meta {
        grid-template-columns: 1fr;
        gap: 10px;
    }
    
    .challenge-actions {
        flex-direction: column;
    }
    
    .invite-btn,
    .participants-btn {
        width: 100%;
    }
    
    .add-result-btn {
        margin-top: 16px;
        margin-bottom: 16px;
        padding: 14px;
    }
    
    /* Participants screen */
    .participants-content {
        padding: 12px;
    }
    
    .participant-item {
        padding: 12px;
    }
    
    .participant-name {
        font-size: 14px;
    }
    
    .participant-value {
        font-size: 14px;
    }
    
    /* Settings */
    .setting-item {
        padding: 12px;
    }
    
    /* Extended stats */
    .activity-stats {
        grid-template-columns: 1fr;
        gap: 10px;
    }
    
    /* Activities list */
    .activity-item {
        padding: 10px;
    }
    
    /* Team cards */
    .team-card {
        padding: 12px;
    }
    
    /* Type filter buttons */
    .type-filter-buttons {
        gap: 4px;
        margin-bottom: 10px;
    }
    
    .type-filter-btn {
        padding: var(--spacing-sm) var(--spacing-xs);
        font-size: 12px;
        flex: 1;
        min-width: 0;
        border-radius: var(--border-radius) !important;
    }
    
    /* Filter buttons */
    .filter-buttons {
        gap: var(--spacing-sm);
    }
    
    .filter-btn {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 13px;
        border-radius: var(--border-radius) !important;
    }
    
    /* Ensure all content is visible */
    .tab-content {
        min-height: 200px;
    }
    
    /* Fix overflow issues */
    * {
        max-width: 100%;
    }
    
    /* Fix for iOS Safari viewport height - FIXED VERSION */
    html {
        height: 100%;
        width: 100%;
        /* Убрали position: fixed и overflow: hidden для нормальной прокрутки */
    }
    
    body {
        height: 100%;
        position: relative;
        width: 100%;
        overflow-x: hidden;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        padding-top: 0;
        padding-bottom: 0;
    }
    
    #app {
        min-height: 100vh;
        min-height: -webkit-fill-available;
        height: auto;
        overflow-y: visible;
        -webkit-overflow-scrolling: touch;
        position: relative;
        padding-bottom: 20px;
    }
    
    /* Ensure screens are scrollable */
    .screen {
        min-height: auto;
        height: auto;
    }
    
    /* Home screen должен прокручиваться естественным образом */
    #home-screen {
        overflow-y: visible;
        -webkit-overflow-scrolling: touch;
        height: auto;
        padding-bottom: env(safe-area-inset-bottom);
    }
}

/* iPhone 14 Pro Max, большие экраны */
@media screen and (min-width: 430px) and (max-width: 480px) {
    .user-info h1 {
        font-size: 22px;
    }
    
    .level-badge {
        font-size: 13px;
        padding: 5px 10px;
    }
    
    .type-filter-btn {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 13px;
        border-radius: var(--border-radius) !important;
    }
    
    .filter-btn {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 13px;
        border-radius: var(--border-radius) !important;
    }
}

/* Very small screens - старые iPhone */
/* Samsung S24 and similar small screens (360px) */
@media screen and (max-width: 360px) {
    body {
        font-size: 13px;
        padding: 0;
        padding-top: max(0px, env(safe-area-inset-top));
        padding-bottom: max(0px, env(safe-area-inset-bottom));
    }
    
    #app {
        padding: 8px;
        padding-left: max(8px, calc(8px + env(safe-area-inset-left)));
        padding-right: max(8px, calc(8px + env(safe-area-inset-right)));
        /* КРИТИЧНО: сохраняем отступ 120px для Telegram fullscreen */
        padding-top: 120px !important;
        padding-bottom: max(8px, env(safe-area-inset-bottom));
    }
    
    header {
        padding: 12px;
        padding-left: max(12px, calc(12px + env(safe-area-inset-left)));
        padding-right: max(12px, calc(12px + env(safe-area-inset-right)));
        margin: 0 0 12px 0;
        border-radius: var(--border-radius-large);
        background: transparent;
    }
    
    .user-info {
        padding: var(--spacing-xs);
        gap: var(--spacing-sm);
        margin-bottom: var(--spacing-md);
        border-radius: var(--border-radius) !important; /* Always rounded */
        background: var(--card-bg);
    }
    
    .user-info h1 {
        font-size: 16px;
        flex: 1;
        min-width: 100px;
    }
    
    .user-avatar {
        width: 50px;
        height: 50px;
    }
    
    .user-avatar span {
        font-size: 24px;
    }
    
    .level-badge {
        font-size: 10px;
        padding: 2px 6px;
        white-space: nowrap;
        flex-shrink: 0;
    }
    
    .tabs {
        gap: 4px;
        margin-bottom: 12px;
    }
    
    .tab {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 13px;
        border-radius: var(--border-radius) !important;
    }
    
    .type-filter-btn {
        padding: var(--spacing-sm) var(--spacing-xs);
        font-size: 11px;
        border-radius: var(--border-radius) !important;
    }
    
    .filter-btn {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 12px;
        border-radius: var(--border-radius) !important;
    }
    
    .actions-grid {
        gap: 8px;
        margin-bottom: 16px;
    }
    
    .action-btn {
        padding: 12px 8px;
    }
    
    .action-icon {
        font-size: 24px;
    }
    
    .action-text {
        font-size: 13px;
    }
    
    .challenge-card {
        padding: 12px;
    }
    
    .challenge-card .challenge-header h3 {
        font-size: 17px;
    }
    
    .stats-grid {
        gap: 8px;
    }
    
    .stat-card {
        padding: 12px;
    }
    
    .stat-value {
        font-size: 24px;
    }
    
    .stat-label {
        font-size: 11px;
    }
    
    .screen-header {
        margin-bottom: 12px;
    }
    
    .back-btn {
        padding: 6px 12px;
        font-size: 14px;
    }
    
    .leaderboard-avatar {
        width: 36px;
        height: 36px;
        margin-right: 8px;
    }
    
    .leaderboard-name {
        font-size: 14px;
    }
    
    .leaderboard-value {
        font-size: 14px;
    }
    
    .action-text {
        font-size: 11px;
    }
}

/* Form Styles */
.form-container {
    padding: var(--spacing-lg);
    background: var(--card-bg);
    border-radius: var(--border-radius-large);
    margin: var(--spacing-lg) 0;
    box-shadow: var(--shadow-sm);
    border: 0.5px solid rgba(0, 212, 255, 0.15);
}

.form-step {
    padding: var(--spacing-lg) 0;
}

.form-step h3 {
    margin-bottom: var(--spacing-lg);
    color: var(--primary-color);
    font-size: 19px;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.form-input,
.form-textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    font-size: 16px;
    margin-bottom: var(--spacing-md);
    font-family: inherit;
    background: var(--card-bg-elevated);
    color: var(--text-primary);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-sm);
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(0, 212, 255, 0.15), var(--shadow-md);
    background: var(--card-bg);
}

input[type="date"],
input[type="text"] {
    color-scheme: dark;
}

.form-textarea {
    min-height: 100px;
    resize: vertical;
}

/* Activity Categories */
.activity-categories {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.category-group h4 {
    margin-bottom: 12px;
    color: var(--text-primary);
    font-size: 16px;
}

.activity-buttons {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: var(--spacing-sm);
}

.activity-btn {
    padding: var(--spacing-md) var(--spacing-lg);
    border: 0.5px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    background: var(--card-bg);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    white-space: nowrap;
    color: var(--text-primary);
    letter-spacing: -0.01em;
    box-shadow: var(--shadow-sm);
}

.activity-btn:hover {
    border-color: rgba(0, 212, 255, 0.3);
    background: var(--card-bg-elevated);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.activity-btn.active {
    border-color: var(--primary-color);
    background: var(--primary-color);
    color: #ffffff;
    box-shadow: var(--shadow-md);
}

.activity-btn:active {
    transform: scale(0.97);
    box-shadow: var(--shadow-sm);
}

/* Mode Buttons */
.mode-buttons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.mode-btn {
    padding: var(--spacing-lg);
    border: 0.5px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-large);
    background: var(--card-bg);
    font-size: 17px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    color: var(--text-primary);
    letter-spacing: -0.01em;
    box-shadow: var(--shadow-sm);
}

.mode-btn:hover {
    border-color: rgba(0, 212, 255, 0.3);
    background: var(--card-bg-elevated);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.mode-btn.active {
    border-color: var(--primary-color);
    background: var(--primary-color);
    color: #ffffff;
    box-shadow: var(--shadow-md);
}

.mode-btn:active {
    transform: scale(0.97);
    box-shadow: var(--shadow-sm);
}

/* Unit Buttons */
.unit-buttons {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: var(--spacing-sm);
}

.unit-btn {
    padding: var(--spacing-md);
    border: 0.5px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    background: var(--card-bg);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    color: var(--text-primary);
    letter-spacing: -0.01em;
    box-shadow: var(--shadow-sm);
}

.unit-btn:hover {
    border-color: rgba(0, 212, 255, 0.3);
    background: var(--card-bg-elevated);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.unit-btn.active {
    border-color: var(--primary-color);
    background: var(--primary-color);
    color: #ffffff;
    box-shadow: var(--shadow-md);
}

.unit-btn:active {
    transform: scale(0.97);
    box-shadow: var(--shadow-sm);
}

/* Unit Display */
.unit-display {
    display: inline-block;
    margin-left: 8px;
    font-size: 18px;
    color: var(--text-secondary);
}

/* Form Labels */
label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-primary);
    font-weight: 500;
}

/* Summary */
.summary-content {
    text-align: center;
    padding: 40px 20px;
}

.summary-content h3 {
    color: var(--success-color);
    margin-bottom: 16px;
}

.summary-content p {
    margin-bottom: 24px;
    font-size: 18px;
}

#invite-code-display {
    font-size: 24px;
    color: var(--primary-color);
    letter-spacing: 2px;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    overflow-y: auto;
    padding: 20px;
    box-sizing: border-box;
    backdrop-filter: blur(4px);
    align-items: flex-start;
    justify-content: center;
}

.modal[style*="display: flex"] {
    display: flex !important;
}

.modal-content {
    background-color: var(--card-bg);
    margin: 20px auto;
    padding: 0;
    border-radius: var(--border-radius-large);
    max-width: 400px;
    position: relative;
    margin-bottom: 40px;
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    border: 0.5px solid rgba(255, 255, 255, 0.1);
}

.result-modal-content {
    max-width: 90%;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 0.5px solid rgba(255, 255, 255, 0.1);
}

.modal-header h3 {
    margin: 0;
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
}

.modal-close {
    background: none;
    border: none;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    color: var(--text-secondary);
    line-height: 1;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.2s ease;
}

.modal-close:hover {
    background: var(--card-bg);
    color: var(--primary-color);
}

.modal-body {
    padding: 24px;
}

.modal-footer {
    display: flex;
    gap: 12px;
    padding: 20px 24px;
    border-top: 0.5px solid rgba(255, 255, 255, 0.1);
    background: var(--card-bg);
}

.close {
    position: absolute;
    right: 16px;
    top: 16px;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    color: var(--text-secondary);
    line-height: 1;
}

.close:hover {
    color: var(--primary-color);
}

/* Result Modal Styles */
.result-input-wrapper {
    margin-bottom: 16px;
}

.result-label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.result-input-container {
    display: flex;
    align-items: stretch;
    border: 0.5px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    padding: 0;
    background: var(--bg-color);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}

.result-input-container:focus-within {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.15);
}

.result-input {
    flex: 1;
    border: none;
    padding: 16px;
    font-size: 24px;
    font-weight: 600;
    color: var(--text-primary);
    background: transparent;
    outline: none;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    text-align: left;
}

.result-input::placeholder {
    color: var(--text-tertiary);
}

.result-unit {
    padding: 16px 20px;
    font-size: 16px;
    font-weight: 600;
    color: var(--primary-color);
    background: rgba(0, 212, 255, 0.1);
    border-left: 0.5px solid rgba(255, 255, 255, 0.1);
    white-space: nowrap;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: fit-content;
}

.result-hint {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 8px;
}

.result-submit-btn {
    flex: 1;
    padding: 14px 20px;
    font-size: 16px;
    font-weight: 600;
}

/* Navigation Buttons (Далее, Назад, Отмена, Добавить результат) */
.btn-primary,
.btn-secondary,
.step-back-btn {
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--border-radius);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-sm);
    letter-spacing: -0.01em;
    border: 0.5px solid rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

.btn-primary {
    background: var(--primary-color);
    color: #ffffff;
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background: #00b8e6;
    box-shadow: var(--shadow-lg);
    transform: translateY(-1px);
}

.btn-primary:active {
    transform: scale(0.97);
    box-shadow: var(--shadow-sm);
}

.btn-secondary,
.step-back-btn {
    background: var(--card-bg);
    color: var(--text-primary);
    border-color: rgba(255, 255, 255, 0.1);
}

.btn-secondary:hover,
.step-back-btn:hover {
    background: var(--card-bg-elevated);
    border-color: rgba(0, 212, 255, 0.3);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.btn-secondary:active,
.step-back-btn:active {
    transform: scale(0.97);
    box-shadow: var(--shadow-sm);
}

/* Invite Modal Styles */
.invite-info {
    margin-top: 16px;
    padding: 20px 24px;
    color: var(--text-primary);
}

.invite-info p {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 20px;
}

.invite-code-display {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
    padding: 16px;
    background: var(--bg-color);
    border-radius: var(--border-radius);
    border: 0.5px solid rgba(255, 255, 255, 0.1);
    box-shadow: var(--shadow-sm);
}

.invite-code-display span {
    font-family: monospace;
    font-size: 18px;
    font-weight: bold;
    letter-spacing: 2px;
    color: var(--primary-color);
    flex: 1;
}

.invite-link-display {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.invite-link-display .form-input {
    background: var(--bg-color);
    border: 0.5px solid rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    font-size: 13px;
    padding: 12px 16px;
    word-break: break-all;
    overflow-wrap: break-word;
}

.copy-btn {
    padding: 10px 16px;
    background: var(--primary-color);
    color: #ffffff;
    border: none;
    border-radius: var(--border-radius);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-sm);
    letter-spacing: -0.01em;
    white-space: nowrap;
    flex-shrink: 0;
}

.copy-btn:hover {
    background: var(--secondary-color);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.copy-btn:active {
    transform: scale(0.97);
    box-shadow: var(--shadow-sm);
}

/* Participants Screen */
.participants-content {
    padding: 16px;
}

.participants-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 16px;
}

.participant-item {
    display: flex;
    align-items: center;
    padding: 16px;
    background: var(--card-bg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    gap: 12px;
}

.participant-item.top-1 {
    background: linear-gradient(135deg, #ffd700, #ffed4e);
}

.participant-item.top-2 {
    background: linear-gradient(135deg, #c0c0c0, #e8e8e8);
}

.participant-item.top-3 {
    background: linear-gradient(135deg, #cd7f32, #e6a857);
}

.participant-rank {
    font-size: 20px;
    font-weight: bold;
    min-width: 40px;
    text-align: center;
}

.participant-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 12px;
    flex-shrink: 0;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.participant-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}

.participant-avatar span {
    color: white;
    font-size: 18px;
    font-weight: bold;
}

.participant-info {
    flex: 1;
    min-width: 0;
}

.participant-name {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 4px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    text-shadow: none; /* No text shadow */
    box-shadow: none; /* No box shadow on text */
}

.participant-level {
    font-size: 12px;
    color: var(--text-secondary);
    text-shadow: none; /* No text shadow */
    box-shadow: none; /* No box shadow on text */
}

.participant-value {
    font-size: 16px;
    font-weight: bold;
    color: var(--primary-color);
    white-space: nowrap;
    text-shadow: none; /* No text shadow */
    box-shadow: none; /* No box shadow on text */
}

.pagination-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    margin-top: 20px;
    padding: 12px;
    background: var(--card-bg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.pagination-btn {
    padding: 10px 16px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.pagination-btn:disabled {
    background: #2a3344;
    color: var(--text-secondary);
    cursor: not-allowed;
    opacity: 0.5;
}

.pagination-btn:not(:disabled):active {
    transform: scale(0.98);
}

#page-info {
    font-size: 14px;
    color: var(--text-primary);
    font-weight: 600;
}

/* Responsive for forms */
@media (max-width: 480px) {
    .activity-buttons {
        grid-template-columns: 1fr;
    }
    
    .mode-buttons {
        grid-template-columns: 1fr;
    }
}


/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal[style*="display: flex"] {
    display: flex !important;
}

.modal-content {
    background: var(--bg-color);
    padding: 24px;
    border-radius: 16px;
    max-width: 400px;
    width: 90%;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

/* Participant Screen Styles */
.participant-item {
    display: flex;
    align-items: center;
    padding: 12px;
    background: var(--card-bg);
    border-radius: 12px;
    margin-bottom: 8px;
}

.participant-rank {
    font-size: 20px;
    font-weight: bold;
    margin-right: 12px;
    min-width: 40px;
}

.participant-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    margin-right: 12px;
    overflow: hidden;
}

.participant-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.participant-info {
    flex: 1;
}

.participant-name {
    font-weight: 600;
    color: var(--text-primary);
}

.participant-level {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 2px;
}

.participant-value {
    font-weight: bold;
    color: var(--primary-color);
}

.participant-item.top-1 {
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.1), rgba(255, 165, 0, 0.1));
    border: 2px solid #FFD700;
}

.participant-item.top-2 {
    background: linear-gradient(135deg, rgba(192, 192, 192, 0.1), rgba(169, 169, 169, 0.1));
    border: 2px solid #C0C0C0;
}

.participant-item.top-3 {
    background: linear-gradient(135deg, rgba(205, 127, 50, 0.1), rgba(184, 115, 51, 0.1));
    border: 2px solid #CD7F32;
}

/* History Items */
.history-item {
    background: var(--card-bg);
    padding: 12px;
    border-radius: 12px;
    margin-bottom: 8px;
}

.history-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 4px;
    font-weight: 600;
    color: var(--text-primary);
}

.history-value {
    color: var(--primary-color);
    font-weight: bold;
}

.history-date {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 4px;
}

.history-note {
    font-size: 13px;
    color: var(--text-primary);
    margin-top: 8px;
    padding: 8px;
    background: rgba(51, 144, 236, 0.1);
    border-left: 3px solid var(--primary-color);
    border-radius: 4px;
}

/* Toggle Switch */
.toggle-switch {
    position: relative;
    display: inline-block;
    width: 51px;
    height: 31px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(120, 120, 128, 0.32);
    transition: .3s;
    border-radius: 31px;
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 27px;
    width: 27px;
    left: 2px;
    bottom: 2px;
    background-color: white;
    transition: .3s;
    border-radius: 50%;
    box-shadow: 0 3px 8px rgba(0, 0, 0, 0.15), 0 1px 1px rgba(0, 0, 0, 0.16);
}

input:checked + .toggle-slider {
    background-color: var(--success-color);
}

input:checked + .toggle-slider:before {
    transform: translateX(20px);
}

/* Smooth transitions and animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInFromRight {
    from {
        opacity: 0;
        transform: translateX(20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInFromBottom {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Screen transitions */
.screen {
    animation: fadeIn 0.3s ease-out;
}

.screen.active {
    animation: fadeIn 0.3s ease-out;
}

/* Challenge cards animation */
.challenge-card {
    animation: slideInFromBottom 0.4s ease-out;
    animation-fill-mode: both;
}

.challenge-card:nth-child(1) { animation-delay: 0.05s; }
.challenge-card:nth-child(2) { animation-delay: 0.1s; }
.challenge-card:nth-child(3) { animation-delay: 0.15s; }
.challenge-card:nth-child(4) { animation-delay: 0.2s; }
.challenge-card:nth-child(5) { animation-delay: 0.25s; }

/* Modal animations */
.modal {
    animation: fadeIn 0.2s ease-out;
}

.modal-content {
    animation: scaleIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Button press effect */
button:not(:disabled):active {
    transform: scale(0.98);
    transition: transform 0.1s ease;
}

/* Smooth hover effects */
button {
    transition: all 0.2s ease;
}

button:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* Tab transitions */
.tab {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.tab.active {
    animation: slideInFromBottom 0.3s ease-out;
}

/* Leaderboard item animation */
.leaderboard-item {
    animation: slideInFromRight 0.4s ease-out;
    animation-fill-mode: both;
}

.leaderboard-item:nth-child(1) { animation-delay: 0.05s; }
.leaderboard-item:nth-child(2) { animation-delay: 0.1s; }
.leaderboard-item:nth-child(3) { animation-delay: 0.15s; }
.leaderboard-item:nth-child(4) { animation-delay: 0.2s; }
.leaderboard-item:nth-child(5) { animation-delay: 0.25s; }

/* Progress bar fill animation */
.progress-bar-fill {
    transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Loading spinner enhancement */
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loader {
    animation: spin 1s cubic-bezier(0.5, 0, 0.5, 1) infinite;
}

/* Card hover effect */
.challenge-card {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.challenge-card:active {
    transform: scale(0.98);
}

/* Input focus animations */
input:focus, textarea:focus {
    transition: all 0.3s ease;
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

/* Smooth scrolling */
* {
    scroll-behavior: smooth;
}

/* Challenge Filters */
.challenge-filters {
    display: flex;
    gap: 8px;
    padding: 16px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}

.challenge-filters::-webkit-scrollbar {
    display: none;
}

.filter-btn {
    flex-shrink: 0;
    padding: 8px 16px;
    background: var(--card-bg);
    color: var(--text-secondary);
    border: 1px solid var(--card-bg);
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.filter-btn:hover {
    background: var(--card-bg-elevated);
    transform: translateY(0);
}

.filter-btn.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    box-shadow: 0 2px 8px rgba(0, 212, 255, 0.3);
}

.filter-btn:active {
    transform: scale(0.96);
}

/* User Avatar */
.user-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-avatar-container {
    position: relative;
    flex-shrink: 0;
}

.user-avatar, .user-avatar-placeholder {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
}

.user-avatar {
    border: 2px solid var(--primary-color);
    box-shadow: 0 2px 8px rgba(0, 212, 255, 0.3);
}

.user-avatar-placeholder {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 600;
    color: white;
    border: 2px solid var(--primary-color);
    box-shadow: 0 2px 8px rgba(0, 212, 255, 0.3);
}

.user-details {
    flex: 1;
    min-width: 0;
}

.user-details h1 {
    margin: 0;
    font-size: 18px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-details .level-badge {
    margin-top: 2px;
}

/* Profile Section */
.profile-stats-section {
    padding: 16px;
}

.activity-stats-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.activity-stat-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background: var(--card-bg);
    border-radius: 12px;
}

.activity-stat-label {
    font-size: 15px;
    color: var(--text-primary);
}

.activity-stat-value {
    font-size: 15px;
    font-weight: 600;
    color: var(--primary-color);
}

.profile-actions {
    display: flex;
    gap: 12px;
    padding: 16px;
}

.profile-action-btn {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 20px 16px;
    background: var(--card-bg);
    border: 1px solid var(--card-bg);
    border-radius: 16px;
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
}

.profile-action-btn:hover {
    background: var(--card-bg-elevated);
    transform: translateY(-2px);
}

.profile-action-btn:active {
    transform: scale(0.98);
}

.profile-action-btn span:first-child {
    font-size: 32px;
}

.profile-action-btn span:nth-child(2) {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
}

.profile-action-btn .badge {
    position: absolute;
    top: 12px;
    right: 12px;
    background: var(--primary-color);
    color: white;
    font-size: 12px;
    font-weight: 600;
    padding: 4px 8px;
    border-radius: 12px;
    min-width: 24px;
    text-align: center;
}

/* Floating Action Button */
.fab {
    position: fixed;
    bottom: 80px;
    right: 20px;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    box-shadow: 0 4px 12px rgba(0, 212, 255, 0.4), 0 8px 24px rgba(0, 0, 0, 0.3);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 300;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 999;
    -webkit-tap-highlight-color: transparent;
}

.fab:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 16px rgba(0, 212, 255, 0.5), 0 10px 30px rgba(0, 0, 0, 0.4);
}

.fab:active {
    transform: scale(0.95);
}

.fab.hidden {
    transform: scale(0);
    opacity: 0;
}

/* Secondary FAB (for quick actions) */
.fab.fab-secondary {
    background: linear-gradient(135deg, #4FC3F7, #00A7E6);
    font-size: 22px;
    box-shadow: 0 4px 12px rgba(79, 195, 247, 0.4), 0 8px 24px rgba(0, 0, 0, 0.3);
}

.fab.fab-secondary:hover {
    box-shadow: 0 6px 16px rgba(79, 195, 247, 0.5), 0 10px 30px rgba(0, 0, 0, 0.4);
}

/* Modal scroll fix */
body.modal-open {
    overflow: hidden;
}

.modal {
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

.modal-content {
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

/* Challenge screen sticky header */
#challenge-screen .screen-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--bg-color);
    padding: 16px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

#challenge-screen .challenge-detail {
    padding-top: 0;
}

/* XP Bar with readable text */
.xp-bar {
    position: relative;
    width: 100%;
    height: 28px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 14px;
    overflow: visible;
    margin-top: 12px;
}

.xp-progress {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 14px;
    transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 0 10px rgba(0, 212, 255, 0.5);
}

.xp-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 12px;
    font-weight: 600;
    color: white;
    text-shadow: 
        -1px -1px 0 rgba(0, 0, 0, 0.5),
        1px -1px 0 rgba(0, 0, 0, 0.5),
        -1px 1px 0 rgba(0, 0, 0, 0.5),
        1px 1px 0 rgba(0, 0, 0, 0.5),
        0 0 8px rgba(0, 0, 0, 0.8);
    white-space: nowrap;
    z-index: 1;
    pointer-events: none;
}

/* Segmented Control (iOS-style) */
.segmented-control {
    display: flex;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    padding: 2px;
    gap: 2px;
}

.segment {
    padding: 6px 14px;
    background: transparent;
    color: var(--text-secondary);
    border: none;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.segment:hover {
    background: rgba(255, 255, 255, 0.05);
}

.segment.active {
    background: var(--primary-color);
    color: white;
    box-shadow: 0 2px 4px rgba(0, 212, 255, 0.3);
}

.segment:active {
    transform: scale(0.98);
}


/* Font Awesome icon spacing */
i.fa-solid, i.fa-regular, i.fa-brands {
    margin-right: 6px;
}

button i.fa-solid,
button i.fa-regular {
    margin-right: 8px;
}

.fab i.fa-solid {
    font-size: 20px;
    margin: 0;
}

.segment i.fa-solid {
    margin-right: 4px;
    font-size: 14px;
}

.tab i.fa-solid {
    margin-right: 4px;
}


/* Challenge card icon styles */
.challenge-card .stats i.fa-solid {
    margin-right: 4px;
    font-size: 12px;
}

.challenge-mode-badge i.fa-solid {
    margin-right: 4px;
    font-size: 11px;
}


/* Create Challenge Modal - Step Indicator */
.step-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--border-color);
    transition: all 0.3s ease;
}

.step-dot.active {
    background: var(--primary-color);
    box-shadow: 0 0 10px rgba(0, 212, 255, 0.5);
}

.step-dot.completed {
    background: var(--secondary-color);
}

/* Create Challenge - Category Grid */
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-top: 16px;
}

    padding: 20px;
    background: var(--card-bg);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s;
    text-align: center;
}

    border-color: var(--primary-color);
    transform: translateY(-2px);
}

    border-color: var(--primary-color);
    background: rgba(0, 212, 255, 0.1);
}

    font-size: 32px;
    margin-bottom: 8px;
}

    font-size: 14px;
    font-weight: 600;
}


/* Step Circle Indicators (instead of dots) */
.step-circle {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--card-bg);
    border: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 14px;
    color: var(--text-secondary);
    transition: all 0.3s ease;
}

.step-circle.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
    box-shadow: 0 0 16px rgba(0, 212, 255, 0.5);
    transform: scale(1.1);
}

.step-circle.completed {
    background: var(--secondary-color);
    border-color: var(--secondary-color);
    color: white;
}

/* Date inputs - better styling */
input[type="date"] {
    appearance: none;
    -webkit-appearance: none;
    padding: 14px;
    font-size: 16px;
    color: var(--text-primary);
    background: var(--card-bg);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-family: inherit;
}

input[type="date"]:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

input[type="date"]::-webkit-calendar-picker-indicator {
    filter: invert(0.8);
    cursor: pointer;
    font-size: 18px;
}

/* Remove number input spinners */
input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

input[type="number"] {
    -moz-appearance: textfield;
    appearance: textfield;
}


/* Progress Line Indicator */
    position: absolute;
    height: 3px;
    background: var(--border-color);
    width: 80%;
    max-width: 400px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 0;
}

    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--card-bg);
    border: 3px solid var(--border-color);
    position: relative;
    z-index: 1;
    transition: all 0.3s ease;
}

    background: var(--primary-color);
    border-color: var(--primary-color);
    box-shadow: 0 0 12px rgba(0, 212, 255, 0.6);
    transform: scale(1.3);
}

    background: var(--secondary-color);
    border-color: var(--secondary-color);
}

/* Category buttons - more visible selection */
    border-color: var(--primary-color);
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.2), rgba(0, 255, 127, 0.1)) !important;
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.4);
    transform: scale(1.02);
}

/* Improve input borders */
#create-challenge-content input[type="text"],
#create-challenge-content input[type="number"],
#create-challenge-content textarea {
    width: calc(100% - 4px) !important;
    box-sizing: border-box;
}

#create-challenge-content input:focus,
#create-challenge-content textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.15);
}

/* Better date picker styling */
#create-challenge-content input[type="date"] {
    padding: 16px;
    font-size: 18px;
    min-height: 56px;
    cursor: pointer;
}

#create-challenge-content input[type="date"]::-webkit-calendar-picker-indicator {
    filter: invert(0.9) brightness(1.2);
    cursor: pointer;
    font-size: 22px;
    padding: 4px;
}

/* Improve text readability in create modal */
#create-challenge-content h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary) !important;
}

#create-challenge-content .category-btn {
    font-size: 16px;
    color: var(--text-primary);
}

#create-challenge-content label {
    font-size: 15px;
    color: var(--text-primary) !important;
}


/* Update Progress Line Indicator - Better visibility */
.progress-line {
    position: absolute;
    height: 2px;
    background: rgba(176, 184, 200, 0.3);
    width: calc(100% - 40px);
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 0;
}

.step-dot-new {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--card-bg);
    border: 3px solid rgba(176, 184, 200, 0.5);
    position: relative;
    z-index: 1;
    transition: all 0.3s ease;
}

.step-dot-new.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    box-shadow: 0 0 16px rgba(0, 212, 255, 0.7);
    transform: scale(1.15);
}

.step-dot-new.completed {
    background: var(--secondary-color);
    border-color: var(--secondary-color);
}

/* Fix shadow clipping - add margin for category buttons */
.category-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin: 8px 0;
    padding: 8px;
}

.category-btn {
    padding: 20px;
    background: var(--card-bg);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.25s ease;
    text-align: center;
    margin: 4px;
}

.category-btn:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.category-btn.selected {
    border-color: var(--primary-color) !important;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.25), rgba(0, 255, 127, 0.15)) !important;
    box-shadow: 0 0 24px rgba(0, 212, 255, 0.5) !important;
    transform: scale(1.03) !important;
}

/* Fix content width - prevent border clipping */
#create-challenge-content {
    overflow: visible !important;
}

#create-challenge-content > div {
    overflow: visible !important;
}

/* ============================================
   UNIVERSAL CUSTOM MODAL SYSTEM
   ============================================ */

.universal-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    animation: modalFadeIn 0.2s ease-out;
}

@keyframes modalFadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.universal-modal-container {
    animation: modalSlideUp 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes modalSlideUp {
    from {
        transform: translateY(30px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.universal-modal-content {
    background: var(--bg-color);
    border-radius: 20px;
    padding: 32px 24px 24px;
    max-width: 400px;
    width: 100%;
    text-align: center;
    box-shadow: 0 20px 60px rgba(0, 212, 255, 0.15), 0 0 0 1px rgba(255, 255, 255, 0.1);
    position: relative;
}

.universal-modal-icon-wrapper {
    margin-bottom: 16px;
}

.universal-modal-icon {
    font-size: 56px;
    line-height: 1;
    animation: iconBounce 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes iconBounce {
    0% {
        transform: scale(0);
    }
    50% {
        transform: scale(1.1);
    }
    100% {
        transform: scale(1);
    }
}

.universal-modal-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
    line-height: 1.3;
}

.universal-modal-message {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 24px;
    white-space: pre-line;
}

.universal-modal-input {
    width: 100%;
    padding: 14px 16px;
    background: var(--card-bg);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 16px;
    margin-bottom: 20px;
    transition: all 0.2s ease;
}

.universal-modal-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(0, 212, 255, 0.1);
}

.universal-modal-buttons {
    display: flex;
    gap: 12px;
    flex-direction: column;
}

.universal-modal-btn {
    padding: 14px 24px;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    width: 100%;
}

.universal-modal-btn.primary {
    background: var(--primary-color);
    color: white;
}

.universal-modal-btn.primary:hover {
    background: #00b8e6;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 212, 255, 0.3);
}

.universal-modal-btn.primary:active {
    transform: translateY(0);
}

.universal-modal-btn.secondary {
    background: var(--card-bg);
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.universal-modal-btn.secondary:hover {
    background: var(--card-bg-elevated);
    border-color: rgba(255, 255, 255, 0.2);
}

.universal-modal-btn.destructive {
    background: rgba(255, 59, 48, 0.1);
    color: #ff3b30;
    border: 1px solid rgba(255, 59, 48, 0.3);
}

.universal-modal-btn.destructive:hover {
    background: rgba(255, 59, 48, 0.2);
    border-color: rgba(255, 59, 48, 0.5);
}

.universal-modal-btn.success {
    background: rgba(0, 255, 127, 0.1);
    color: var(--secondary-color);
    border: 1px solid rgba(0, 255, 127, 0.3);
}

.universal-modal-btn.success:hover {
    background: rgba(0, 255, 127, 0.2);
}

/* Modal type variants */
.universal-modal-content.error .universal-modal-icon {
    color: #ff3b30;
}

.universal-modal-content.success .universal-modal-icon {
    color: var(--secondary-color);
}

.universal-modal-content.warning .universal-modal-icon {
    color: #ff9500;
}

.universal-modal-content.info .universal-modal-icon {
    color: var(--primary-color);
}

/* Animation for closing */
@keyframes modalFadeOut {
    from {
        opacity: 1;
    }
    to {
        opacity: 0;
    }
}

@keyframes modalSlideDown {
    from {
        transform: translateY(0);
        opacity: 1;
    }
    to {
        transform: translateY(30px);
        opacity: 0;
    }
}

.universal-modal-overlay.closing {
    animation: modalFadeOut 0.2s ease-out forwards;
}

.universal-modal-overlay.closing .universal-modal-container {
    animation: modalSlideDown 0.2s ease-out forwards;
}

/* Hour selector buttons */
.hour-btn {
    transition: all 0.2s ease;
}

.hour-btn:hover {
    background: var(--card-bg-elevated) !important;
    border-color: var(--primary-color) !important;
}

.hour-btn.selected {
    background: var(--primary-color) !important;
    color: white !important;
    border-color: var(--primary-color) !important;
    font-weight: 600;
}

/* ============================================
   BUTTON UTILITIES - Reusable Button Classes
   ============================================ */

/* Primary action button with gradient */
.btn-create-challenge {
    width: 100%;
    margin: 16px 0;
    padding: 14px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    font-weight: 600;
    font-size: 15px;
    box-shadow: 0 4px 12px rgba(0, 212, 255, 0.3);
    transition: all 0.2s ease;
}

.btn-create-challenge:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 212, 255, 0.4);
}

.btn-create-challenge:active {
    transform: translateY(0);
}

/* Primary button */
.btn-primary-full {
    width: 100%;
    margin-top: 16px;
    padding: 14px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    font-weight: 600;
    font-size: 15px;
    transition: all 0.2s ease;
}

.btn-primary-full:hover {
    background: var(--secondary-color);
    transform: translateY(-1px);
}

/* Secondary button */
.btn-secondary-full {
    width: 100%;
    margin-top: 16px;
    padding: 14px;
    background: var(--secondary-color);
    color: white;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    font-weight: 600;
    font-size: 15px;
    transition: all 0.2s ease;
}

.btn-secondary-full:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

/* Danger/destructive button */
.btn-danger-full {
    width: 100%;
    margin-top: 16px;
    padding: 14px;
    background: #ff4d4d;
    color: white;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    font-weight: 600;
    font-size: 15px;
    transition: all 0.2s ease;
}

.btn-danger-full:hover {
    background: #ff3333;
    transform: translateY(-1px);
}

/* Small inline button pair (участники, история) */
.btn-inline {
    padding: 10px;
    background: var(--card-bg);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s ease;
}

.btn-inline:hover {
    background: var(--card-bg-elevated);
    border-color: var(--primary-color);
}

/* Modal close button (X) */
.btn-modal-close {
    position: absolute;
    top: 12px;
    right: 12px;
    background: rgba(255,255,255,0.1);
    border: none;
    color: var(--text-primary);
    font-size: 20px;
    cursor: pointer;
    padding: 8px;
    line-height: 1;
    z-index: 10;
    border-radius: 50%;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.btn-modal-close:hover {
    background: rgba(255,255,255,0.2);
    transform: scale(1.1);
}

/* Grid button pair (50/50) */
.btn-grid-pair {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-top: 12px;
}

/* Invite/share button */
.btn-invite {
    width: 100%;
    margin-top: 16px;
    padding: 14px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    font-weight: 600;
    font-size: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all 0.2s ease;
}

.btn-invite:hover {
    background: var(--secondary-color);
    transform: translateY(-1px);
}

/* Team action buttons */
.btn-team-action {
    flex: 1;
    padding: 14px;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    font-weight: 600;
    font-size: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all 0.2s ease;
}

.btn-team-action.primary {
    background: var(--primary-color);
    color: white;
}

.btn-team-action.secondary {
    background: var(--secondary-color);
    color: white;
}

.btn-team-action.gradient {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
}

.btn-team-action:hover {
    transform: translateY(-1px);
    opacity: 0.95;
}