/**
 * Стили для Mini App музыкального плеера
 * Адаптировано под темную тему Telegram
 */

:root {
    --tg-theme-bg-color: #ffffff;
    --tg-theme-text-color: #000000;
    --tg-theme-hint-color: #999999;
    --tg-theme-link-color: #3390ec;
    --tg-theme-button-color: #3390ec;
    --tg-theme-button-text-color: #ffffff;
    --tg-theme-secondary-bg-color: #f1f1f1;
    --tg-theme-section-bg-color: #ffffff;
    --tg-theme-section-header-text-color: #000000;
    --tg-theme-subtitle-text-color: #999999;
    --tg-theme-destructive-text-color: #ff3b30;
}

/* Темная тема (если Telegram использует темную тему) */
@media (prefers-color-scheme: dark) {
    :root {
        --tg-theme-bg-color: #212121;
        --tg-theme-text-color: #ffffff;
        --tg-theme-hint-color: #707579;
        --tg-theme-link-color: #6ab7ff;
        --tg-theme-button-color: #5288c1;
        --tg-theme-button-text-color: #ffffff;
        --tg-theme-secondary-bg-color: #181818;
        --tg-theme-section-bg-color: #181818;
        --tg-theme-section-header-text-color: #ffffff;
        --tg-theme-subtitle-text-color: #707579;
        --tg-theme-destructive-text-color: #ff453a;
    }
}

/* Применение темы Telegram через CSS переменные (устанавливается через JS) */
body.theme-dark {
    --tg-theme-bg-color: var(--tg-dark-bg-color, #212121);
    --tg-theme-text-color: var(--tg-dark-text-color, #ffffff);
    --tg-theme-hint-color: var(--tg-dark-hint-color, #707579);
    --tg-theme-link-color: var(--tg-dark-link-color, #6ab7ff);
    --tg-theme-button-color: var(--tg-dark-button-color, #5288c1);
    --tg-theme-button-text-color: var(--tg-dark-button-text-color, #ffffff);
    --tg-theme-secondary-bg-color: var(--tg-dark-secondary-bg-color, #181818);
    --tg-theme-section-bg-color: var(--tg-dark-section-bg-color, #181818);
    --tg-theme-section-header-text-color: var(--tg-dark-section-header-text-color, #ffffff);
    --tg-theme-subtitle-text-color: var(--tg-dark-subtitle-text-color, #707579);
    --tg-theme-destructive-text-color: var(--tg-dark-destructive-text-color, #ff453a);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--tg-theme-bg-color);
    color: var(--tg-theme-text-color);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

.container {
    max-width: 100%;
    margin: 0 auto;
    padding: 16px;
    min-height: 100vh;
}

/* Заголовок */
.header {
    text-align: center;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--tg-theme-secondary-bg-color);
}

.header h1 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 8px;
}

.subtitle {
    font-size: 14px;
    color: var(--tg-theme-hint-color);
}

/* Загрузка */
.loading {
    text-align: center;
    padding: 40px 20px;
}

.loading p {
    color: var(--tg-theme-hint-color);
    font-size: 16px;
}

/* Ошибка */
.error {
    text-align: center;
    padding: 40px 20px;
    color: #ff4444;
}

.error.hidden {
    display: none;
}

/* Контент */
.content {
    margin-top: 20px;
}

.content.hidden {
    display: none;
}

/* Выбор плейлиста */
.playlist-selector h2 {
    font-size: 20px;
    margin-bottom: 16px;
    font-weight: 600;
}

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

.playlist-item {
    background-color: var(--tg-theme-secondary-bg-color);
    border-radius: 12px;
    padding: 16px;
    cursor: pointer;
    transition: transform 0.2s, opacity 0.2s;
}

.playlist-item:active {
    transform: scale(0.98);
    opacity: 0.8;
}

.playlist-item h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 4px;
}

.playlist-item p {
    font-size: 14px;
    color: var(--tg-theme-hint-color);
}

/* Плеер */
.player-section {
    margin-top: 20px;
}

.player-section.hidden {
    display: none;
}

.current-track {
    text-align: center;
    margin-bottom: 24px;
    padding: 20px;
    background-color: var(--tg-theme-secondary-bg-color);
    border-radius: 12px;
    animation: fadeIn 0.3s ease-in;
}

.track-cover-container {
    position: relative;
    width: 200px;
    height: 200px;
    margin: 0 auto 16px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    background-color: var(--tg-theme-secondary-bg-color);
}

.track-cover {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: none;
    transition: transform 0.3s ease;
    position: absolute;
    top: 0;
    left: 0;
}

.track-cover:hover {
    transform: scale(1.05);
}

.track-cover-placeholder {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 64px;
    opacity: 0.3;
    display: flex;
    align-items: center;
    justify-content: center;
}


.current-track h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
}

.current-track p {
    font-size: 14px;
    color: var(--tg-theme-hint-color);
}

/* Управление плеером */
.player-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    margin-bottom: 24px;
}

.control-btn {
    background-color: var(--tg-theme-button-color);
    color: var(--tg-theme-button-text-color);
    border: none;
    border-radius: 50%;
    width: 56px;
    height: 56px;
    font-size: 24px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s, opacity 0.2s, background-color 0.2s;
}

.control-btn:active {
    transform: scale(0.95);
    opacity: 0.8;
}

.control-btn:hover {
    background-color: var(--tg-theme-link-color);
}

.control-btn.secondary {
    background-color: transparent;
    color: var(--tg-theme-text-color);
    border: 2px solid var(--tg-theme-button-color);
    width: 48px;
    height: 48px;
    font-size: 20px;
}

.control-btn.secondary.active {
    background-color: var(--tg-theme-button-color);
    color: var(--tg-theme-button-text-color);
}

.control-btn.secondary:hover {
    background-color: var(--tg-theme-secondary-bg-color);
}

.play-btn {
    width: 64px;
    height: 64px;
    font-size: 28px;
}

/* Прогресс */
.progress-container {
    margin-bottom: 24px;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background-color: var(--tg-theme-secondary-bg-color);
    border-radius: 4px;
    overflow: visible;
    margin-bottom: 8px;
    cursor: pointer;
    position: relative;
    transition: background-color 0.2s;
}

.progress-bar:hover {
    background-color: var(--tg-theme-hint-color);
}

.progress-bar:hover .progress-handle {
    opacity: 1;
}

.progress {
    height: 100%;
    background-color: var(--tg-theme-button-color);
    width: 0%;
    transition: width 0.1s;
    border-radius: 4px;
    position: relative;
}

.progress-handle {
    position: absolute;
    right: -6px;
    top: 50%;
    transform: translateY(-50%);
    width: 12px;
    height: 12px;
    background-color: var(--tg-theme-button-color);
    border-radius: 50%;
    opacity: 0;
    transition: opacity 0.2s, transform 0.2s;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.progress-bar:hover .progress-handle,
.progress-bar.dragging .progress-handle {
    opacity: 1;
    transform: translateY(-50%) scale(1.2);
}

.time-info {
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    color: var(--tg-theme-hint-color);
}

/* Список треков */
.tracks-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-height: 400px;
    overflow-y: auto;
}

.track-item {
    background-color: var(--tg-theme-secondary-bg-color);
    border-radius: 8px;
    padding: 12px;
    cursor: pointer;
    transition: transform 0.2s, opacity 0.2s;
}

.track-item:active {
    transform: scale(0.98);
    opacity: 0.8;
}

.track-item.active {
    background-color: var(--tg-theme-button-color);
    color: var(--tg-theme-button-text-color);
}

.track-item-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.track-item-content-with-cover {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1;
    min-width: 0;
}

.track-item-info {
    flex: 1;
    min-width: 0; /* Позволяет тексту обрезаться */
}

.track-item h4 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 4px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.track-item p {
    font-size: 12px;
    opacity: 0.8;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.track-play-btn {
    background-color: transparent;
    border: none;
    font-size: 20px;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 4px;
    transition: background-color 0.2s;
    flex-shrink: 0;
}

.track-play-btn:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.track-item.active .track-play-btn:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

.track-item-cover {
    width: 48px;
    height: 48px;
    border-radius: 6px;
    object-fit: cover;
    flex-shrink: 0;
    background-color: var(--tg-theme-secondary-bg-color);
}

.track-item-cover-placeholder {
    width: 48px;
    height: 48px;
    border-radius: 6px;
    background-color: var(--tg-theme-secondary-bg-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    opacity: 0.5;
    flex-shrink: 0;
}

/* Обложки плейлистов */
.playlist-item {
    display: flex;
    align-items: center;
    gap: 16px;
}

.playlist-cover {
    width: 64px;
    height: 64px;
    border-radius: 8px;
    object-fit: cover;
    flex-shrink: 0;
    background-color: var(--tg-theme-secondary-bg-color);
}

.playlist-cover-placeholder {
    width: 64px;
    height: 64px;
    border-radius: 8px;
    background-color: var(--tg-theme-secondary-bg-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    opacity: 0.5;
    flex-shrink: 0;
}

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

/* Утилиты */
.hidden {
    display: none !important;
}

/* Скроллбар */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: var(--tg-theme-secondary-bg-color);
}

::-webkit-scrollbar-thumb {
    background: var(--tg-theme-hint-color);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--tg-theme-text-color);
}

/* Toast уведомления */
.toast {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background-color: var(--tg-theme-button-color);
    color: var(--tg-theme-button-text-color);
    padding: 12px 20px;
    border-radius: 8px;
    font-size: 14px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    z-index: 1000;
    transition: transform 0.3s ease-out, opacity 0.3s ease-out;
    opacity: 0;
    max-width: 90%;
    text-align: center;
}

.toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

.toast.hidden {
    display: none;
}

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

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

.track-item {
    animation: slideIn 0.3s ease-out;
    animation-fill-mode: both;
}

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

.playlist-item {
    animation: fadeIn 0.3s ease-out;
    animation-fill-mode: both;
}

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

/* Адаптивный дизайн */
@media (max-width: 480px) {
    .track-cover-container {
        width: 160px;
        height: 160px;
    }
    
    .player-controls {
        gap: 12px;
    }
    
    .control-btn {
        width: 48px;
        height: 48px;
        font-size: 20px;
    }
    
    .play-btn {
        width: 56px;
        height: 56px;
        font-size: 24px;
    }
    
    .control-btn.secondary {
        width: 40px;
        height: 40px;
        font-size: 18px;
    }
    
    .current-track h3 {
        font-size: 16px;
    }
    
    .current-track p {
        font-size: 12px;
    }
}

@media (min-width: 768px) {
    .container {
        max-width: 600px;
        margin: 0 auto;
    }
    
    .track-cover-container {
        width: 240px;
        height: 240px;
    }
}