/*
 * YT Downloader — Стили фронтенда
 *
 * Дизайн: тёмная тема в стиле медиа-плеера.
 * Используем CSS Custom Properties (переменные) для легкого изменения цветов.
 *
 * Шрифты: Syne (заголовки) + Inter (текст) — подключаются через @import ниже.
 */

@import url('https://fonts.googleapis.com/css2?family=Syne:wght@700;800&family=Inter:wght@400;500;600&display=swap');

/* =============================================================================
   CSS ПЕРЕМЕННЫЕ — меняйте эти значения чтобы перекрасить весь плагин
   ============================================================================= */
.ytdl-wrap {
    --ytdl-bg:         #0d0d0f;
    --ytdl-bg-card:    #16161a;
    --ytdl-bg-input:   #1e1e24;
    --ytdl-accent:     #ff3b3b;
    --ytdl-accent-2:   #ff7043;
    --ytdl-text:       #f0f0f5;
    --ytdl-text-muted: #8888a0;
    --ytdl-border:     #2a2a35;
    --ytdl-radius:     14px;
    --ytdl-radius-sm:  8px;
}

/* =============================================================================
   ОСНОВНОЙ КОНТЕЙНЕР
   ============================================================================= */
.ytdl-wrap {
    font-family: 'Inter', sans-serif;
    background: var(--ytdl-bg);
    border-radius: 24px;
    padding: 40px;
    max-width: 680px;
    margin: 32px auto;
    color: var(--ytdl-text);
    box-shadow:
        0 0 0 1px var(--ytdl-border),
        0 32px 80px rgba(0, 0, 0, 0.6);
    position: relative;
    overflow: hidden;
}

/* Декоративный градиентный акцент в верхнем правом углу */
.ytdl-wrap::before {
    content: '';
    position: absolute;
    top: -80px;
    right: -80px;
    width: 280px;
    height: 280px;
    background: radial-gradient(circle, rgba(255, 59, 59, 0.15) 0%, transparent 70%);
    pointer-events: none;
}

/* =============================================================================
   ШАПКА
   ============================================================================= */
.ytdl-header {
    text-align: center;
    margin-bottom: 36px;
    position: relative;
}

.ytdl-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--ytdl-accent), var(--ytdl-accent-2));
    border-radius: 16px;
    font-size: 22px;
    margin-bottom: 16px;
    box-shadow: 0 8px 24px rgba(255, 59, 59, 0.35);
}

.ytdl-title {
    font-family: 'Syne', sans-serif;
    font-size: 28px;
    font-weight: 800;
    margin: 0 0 8px;
    letter-spacing: -0.5px;
    color: var(--ytdl-text);
}

.ytdl-subtitle {
    font-size: 14px;
    color: var(--ytdl-text-muted);
    margin: 0;
}

/* =============================================================================
   ФОРМА: ПОЛЕ ВВОДА + КНОПКА
   ============================================================================= */
.ytdl-form {
    margin-bottom: 24px;
}

.ytdl-input-wrap {
    display: flex;
    gap: 10px;
    background: var(--ytdl-bg-input);
    border: 1px solid var(--ytdl-border);
    border-radius: var(--ytdl-radius);
    padding: 6px;
    transition: border-color 0.2s;
}

.ytdl-input-wrap:focus-within {
    border-color: var(--ytdl-accent);
    box-shadow: 0 0 0 3px rgba(255, 59, 59, 0.12);
}

.ytdl-input {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    padding: 10px 12px;
    font-size: 14px;
    font-family: 'Inter', sans-serif;
    color: var(--ytdl-text);
    min-width: 0; /* предотвращает overflow в flex */
}

.ytdl-input::placeholder {
    color: var(--ytdl-text-muted);
}

.ytdl-btn-analyze {
    background: linear-gradient(135deg, var(--ytdl-accent), var(--ytdl-accent-2));
    color: #fff;
    border: none;
    border-radius: var(--ytdl-radius-sm);
    padding: 10px 22px;
    font-size: 14px;
    font-weight: 600;
    font-family: 'Inter', sans-serif;
    cursor: pointer;
    white-space: nowrap;
    transition: opacity 0.2s, transform 0.1s;
}

.ytdl-btn-analyze:hover  { opacity: 0.88; }
.ytdl-btn-analyze:active { transform: scale(0.97); }

/* =============================================================================
   СООБЩЕНИЯ ОБ ОШИБКАХ / УСПЕХЕ
   ============================================================================= */
.ytdl-message {
    padding: 12px 16px;
    border-radius: var(--ytdl-radius-sm);
    font-size: 14px;
    margin-bottom: 20px;
}

.ytdl-message.is-error {
    background: rgba(255, 59, 59, 0.12);
    border: 1px solid rgba(255, 59, 59, 0.3);
    color: #ff8a80;
}

.ytdl-message.is-success {
    background: rgba(0, 200, 120, 0.1);
    border: 1px solid rgba(0, 200, 120, 0.25);
    color: #69f0ae;
}

/* =============================================================================
   БЛОК С ИНФОРМАЦИЕЙ О ВИДЕО
   ============================================================================= */
.ytdl-video-info {
    display: flex;
    gap: 16px;
    align-items: center;
    background: var(--ytdl-bg-card);
    border: 1px solid var(--ytdl-border);
    border-radius: var(--ytdl-radius);
    padding: 16px;
    margin-bottom: 24px;
}

.ytdl-thumb {
    width: 100px;
    height: 56px;
    object-fit: cover;
    border-radius: var(--ytdl-radius-sm);
    flex-shrink: 0;
}

.ytdl-video-title {
    font-size: 14px;
    font-weight: 600;
    line-height: 1.4;
    color: var(--ytdl-text);
    /* Обрезаем длинные заголовки до 2 строк */
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* =============================================================================
   ФОРМАТЫ: MP3 / MP4
   ============================================================================= */
.ytdl-formats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

@media (max-width: 520px) {
    .ytdl-formats { grid-template-columns: 1fr; }
}

.ytdl-format-group {
    background: var(--ytdl-bg-card);
    border: 1px solid var(--ytdl-border);
    border-radius: var(--ytdl-radius);
    padding: 20px;
}

.ytdl-format-title {
    font-family: 'Syne', sans-serif;
    font-size: 15px;
    font-weight: 700;
    margin: 0 0 14px;
    color: var(--ytdl-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.ytdl-format-buttons {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

/* Кнопки скачивания */
.ytdl-dl-btn {
    display: block;
    text-align: center;
    text-decoration: none;
    padding: 10px 14px;
    border-radius: var(--ytdl-radius-sm);
    font-size: 13px;
    font-weight: 600;
    font-family: 'Inter', sans-serif;
    transition: opacity 0.2s, transform 0.1s;
    cursor: pointer;
    border: none;
}

.ytdl-dl-btn:hover  { opacity: 0.85; text-decoration: none; }
.ytdl-dl-btn:active { transform: scale(0.97); }

/* Стиль кнопки MP3 */
.ytdl-dl-btn.mp3 {
    background: linear-gradient(135deg, #1db954, #1ed760);
    color: #000;
}

/* Стили кнопок MP4 */
.ytdl-dl-btn.mp4-1080 { background: linear-gradient(135deg, #2979ff, #448aff); color: #fff; }
.ytdl-dl-btn.mp4-720  { background: linear-gradient(135deg, #7b1fa2, #ab47bc); color: #fff; }
.ytdl-dl-btn.mp4-480  { background: linear-gradient(135deg, #ef6c00, #ffa726); color: #fff; }
.ytdl-dl-btn.mp4-360  { background: linear-gradient(135deg, #546e7a, #78909c); color: #fff; }
.ytdl-dl-btn.mp4      { background: linear-gradient(135deg, #2979ff, #448aff); color: #fff; }

/* Иконка аудио на кнопках */
.ytdl-audio-badge {
    font-size: 12px;
    margin-right: 2px;
}

.ytdl-no-audio {
    opacity: 0.7;
}

/* =============================================================================
   АНИМАЦИЯ СКАЧИВАНИЯ
   ============================================================================= */

/* Состояние кнопки: "загрузка" */
.ytdl-dl-btn.is-loading {
    opacity: 0.85;
    cursor: wait;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

/* Состояние кнопки: "скачивается" */
.ytdl-dl-btn.is-done {
    background: linear-gradient(135deg, #00c853, #69f0ae) !important;
    color: #000 !important;
}

/* Спиннер — вращающийся кружок */
.ytdl-spinner {
    display: inline-block;
    width: 14px;
    height: 14px;
    border: 2px solid rgba(255,255,255,0.4);
    border-top-color: #fff;
    border-radius: 50%;
    animation: ytdl-spin 0.7s linear infinite;
    flex-shrink: 0;
}

/* Для тёмных кнопок (MP3) — спиннер тоже тёмный */
.ytdl-dl-btn.mp3 .ytdl-spinner {
    border-color: rgba(0,0,0,0.3);
    border-top-color: #000;
}

@keyframes ytdl-spin {
    to { transform: rotate(360deg); }
}

/* Состояние "нет доступных форматов" */
.ytdl-no-formats {
    font-size: 13px;
    color: var(--ytdl-text-muted);
    text-align: center;
    padding: 8px;
}

/* Сообщение об ошибке в плагине (если нет API ключа) */
.ytdl-error {
    background: rgba(255, 59, 59, 0.1);
    border: 1px solid rgba(255, 59, 59, 0.3);
    border-radius: 8px;
    padding: 14px 18px;
    font-size: 14px;
    color: #ff8a80;
    margin: 16px 0;
}

.ytdl-error a { color: inherit; }