/* Edge TTS Player Styles */
.edge-tts-player {
    --tts-primary: #667eea;
    --tts-secondary: #764ba2;
    --tts-text: #fff;
    --tts-bg: rgba(255,255,255,0.15);
    --tts-bg-hover: rgba(255,255,255,0.25);
    --tts-border: rgba(255,255,255,0.3);
    --tts-shadow: 0 4px 20px rgba(102, 126, 234, 0.25);
    --tts-radius: 14px;
    --tts-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);

    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    border-radius: var(--tts-radius);
    padding: 22px 24px;
    margin: 24px 0;
    color: var(--tts-text);
    box-shadow: var(--tts-shadow);
    position: relative;
    overflow: hidden;
    transition: var(--tts-transition);
}

/* ===== 样式变体 ===== */

/* 渐变紫（默认） */
.edge-tts-style-gradient {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

/* 深色模式 */
.edge-tts-style-dark {
    --tts-primary: #3b82f6;
    --tts-secondary: #1d4ed8;
    --tts-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
}

/* 浅色模式 */
.edge-tts-style-light {
    --tts-text: #1e293b;
    --tts-bg: rgba(30, 41, 59, 0.08);
    --tts-bg-hover: rgba(30, 41, 59, 0.15);
    --tts-border: rgba(30, 41, 59, 0.15);
    --tts-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    border: 1px solid #e2e8f0;
}

.edge-tts-style-light .edge-tts-play-btn {
    border-color: rgba(30, 41, 59, 0.2);
    color: #1e293b;
}

.edge-tts-style-light .edge-tts-voice-select,
.edge-tts-style-light .edge-tts-speed-slider {
    border-color: rgba(30, 41, 59, 0.15);
    color: #1e293b;
}

.edge-tts-style-light .edge-tts-voice-select option {
    color: #1e293b;
}

.edge-tts-style-light .edge-tts-status {
    color: #64748b;
}

/* 极简风格 */
.edge-tts-style-minimal {
    --tts-primary: #6366f1;
    --tts-secondary: #4f46e5;
    --tts-shadow: none;
    background: #fff;
    border: 2px solid #e5e7eb;
    color: #374151;
}

.edge-tts-style-minimal .edge-tts-play-btn {
    background: #6366f1;
    border-color: #6366f1;
    color: #fff;
}

.edge-tts-style-minimal .edge-tts-play-btn:hover {
    background: #4f46e5;
}

.edge-tts-style-minimal .edge-tts-voice-select,
.edge-tts-style-minimal .edge-tts-speed-slider {
    border-color: #d1d5db;
    color: #374151;
    background: #f9fafb;
}

.edge-tts-style-minimal .edge-tts-status {
    color: #6b7280;
}

/* ===== 头部布局 ===== */
.edge-tts-header {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

/* ===== 播放按钮 ===== */
.edge-tts-play-btn {
    background: var(--tts-bg);
    border: 2px solid var(--tts-border);
    color: var(--tts-text);
    padding: 12px 24px;
    border-radius: 50px;
    cursor: pointer;
    font-size: 15px;
    font-weight: 600;
    transition: var(--tts-transition);
    display: inline-flex;
    align-items: center;
    gap: 10px;
    white-space: nowrap;
    user-select: none;
    -webkit-user-select: none;
}

.edge-tts-play-btn:hover {
    background: var(--tts-bg-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.15);
}

.edge-tts-play-btn:active {
    transform: translateY(0);
}

.edge-tts-play-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none;
}

.edge-tts-play-btn.playing {
    background: var(--tts-bg-hover);
    animation: tts-pulse 2s ease-in-out infinite;
}

@keyframes tts-pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(255,255,255,0.4); }
    50% { box-shadow: 0 0 0 12px rgba(255,255,255,0); }
}

.edge-tts-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.edge-tts-icon svg {
    width: 100%;
    height: 100%;
}

.edge-tts-text {
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 200px;
}

/* ===== 控制区 ===== */
.edge-tts-controls {
    display: flex;
    align-items: center;
    gap: 14px;
    flex: 1;
    min-width: 250px;
}

.edge-tts-voice-wrap {
    flex: 1;
    min-width: 160px;
}

.edge-tts-voice-select {
    width: 100%;
    padding: 9px 12px;
    border-radius: 10px;
    border: 1px solid var(--tts-border);
    background: var(--tts-bg);
    color: var(--tts-text);
    font-size: 13px;
    cursor: pointer;
    outline: none;
    transition: var(--tts-transition);
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    padding-right: 32px;
}

.edge-tts-voice-select:focus {
    border-color: rgba(255,255,255,0.6);
    box-shadow: 0 0 0 3px rgba(255,255,255,0.1);
}

.edge-tts-voice-select option {
    color: #1e293b;
    background: #fff;
    padding: 6px;
}

.edge-tts-speed {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    white-space: nowrap;
    flex-shrink: 0;
}

.edge-tts-speed label {
    opacity: 0.85;
}

.edge-tts-speed-slider {
    width: 90px;
    accent-color: #fff;
    cursor: pointer;
}

.edge-tts-speed-value {
    min-width: 38px;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
    text-align: right;
}

/* ===== 进度条 ===== */
.edge-tts-progress {
    margin-top: 16px;
    height: 4px;
    background: rgba(255,255,255,0.2);
    border-radius: 2px;
    overflow: hidden;
    position: relative;
}

.edge-tts-progress-bar {
    height: 100%;
    width: 30%;
    background: linear-gradient(90deg, rgba(255,255,255,0.9), rgba(255,255,255,0.6));
    border-radius: 2px;
    position: absolute;
    animation: tts-progress 1.5s ease-in-out infinite;
}

@keyframes tts-progress {
    0% { left: -30%; }
    100% { left: 100%; }
}

/* ===== 状态文本 ===== */
.edge-tts-status {
    margin-top: 12px;
    font-size: 13px;
    opacity: 0.9;
    min-height: 20px;
    transition: var(--tts-transition);
}

/* ===== 音频播放器 ===== */
.edge-tts-audio {
    margin-top: 14px;
    border-radius: 10px;
    width: 100%;
}

.edge-tts-audio::-webkit-media-controls-panel {
    background: rgba(255,255,255,0.95);
    border-radius: 10px;
}

.edge-tts-style-dark .edge-tts-audio::-webkit-media-controls-panel {
    background: rgba(30, 41, 59, 0.95);
}

/* ===== 下载按钮 ===== */
.edge-tts-download {
    margin-top: 10px;
}

.edge-tts-download-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--tts-text);
    text-decoration: none;
    font-size: 13px;
    opacity: 0.85;
    transition: var(--tts-transition);
    padding: 6px 12px;
    border-radius: 8px;
    background: var(--tts-bg);
}

.edge-tts-download-link:hover {
    opacity: 1;
    background: var(--tts-bg-hover);
}

/* ===== 响应式 ===== */
@media (max-width: 768px) {
    .edge-tts-player {
        padding: 18px 16px;
        margin: 16px 0;
    }

    .edge-tts-header {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
    }

    .edge-tts-play-btn {
        justify-content: center;
        width: 100%;
    }

    .edge-tts-text {
        max-width: none;
    }

    .edge-tts-controls {
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
    }

    .edge-tts-voice-wrap,
    .edge-tts-speed-slider {
        width: 100%;
    }

    .edge-tts-speed {
        justify-content: space-between;
    }
}

/* ===== 无障碍 ===== */
.edge-tts-play-btn:focus-visible,
.edge-tts-voice-select:focus-visible,
.edge-tts-speed-slider:focus-visible {
    outline: 2px solid rgba(255,255,255,0.8);
    outline-offset: 2px;
}

/* ===== 打印隐藏 ===== */
@media print {
    .edge-tts-player {
        display: none !important;
    }
}