/* TTS Player Styles */

/* Floating toggle button */
#tts-toggle-btn {
    position: fixed;
    bottom: 80px;
    right: 20px;
    z-index: 10000;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
    transition: transform 0.2s, box-shadow 0.2s;
}

#tts-toggle-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.6);
}

#tts-toggle-btn.tts-toggle-active {
    background: linear-gradient(135deg, #764ba2 0%, #667eea 100%);
    box-shadow: 0 4px 15px rgba(118, 75, 162, 0.5);
}

/* Player panel */
#tts-player {
    position: fixed;
    bottom: 60px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 9999;
    width: 90%;
    max-width: 600px;
    background: rgba(30, 30, 40, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: 16px;
    padding: 12px 16px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.4);
    border: 1px solid rgba(255,255,255,0.1);
    transition: opacity 0.3s, transform 0.3s;
}

#tts-player.tts-hidden {
    opacity: 0;
    transform: translateX(-50%) translateY(20px);
    pointer-events: none;
    visibility: hidden;
}

.tts-player-inner {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.tts-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.2s;
    flex-shrink: 0;
}

.tts-play {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
}

.tts-play:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.tts-stop {
    background: rgba(255,255,255,0.1);
    color: rgba(255,255,255,0.7);
}

.tts-stop:hover {
    background: rgba(255,80,80,0.3);
    color: #ff5050;
}

.tts-seg-nav {
    width: 28px;
    height: 28px;
    background: rgba(255,255,255,0.08);
    color: rgba(255,255,255,0.7);
}

.tts-seg-nav:hover {
    background: rgba(255,255,255,0.18);
    color: #fff;
}

.tts-seg-label {
    color: rgba(255,255,255,0.7);
    font-size: 12px;
    min-width: 32px;
    text-align: center;
    user-select: none;
    white-space: nowrap;
}

.tts-progress {
    flex: 1;
    min-width: 80px;
    height: 4px;
    background: rgba(255,255,255,0.1);
    border-radius: 2px;
    overflow: hidden;
    cursor: pointer;
}

.tts-progress-bar {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, #667eea, #764ba2);
    border-radius: 2px;
    transition: width 0.3s;
}

.tts-controls {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    margin-top: 6px;
}

.tts-select {
    background: rgba(255,255,255,0.1);
    color: #fff;
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: 8px;
    padding: 4px 8px;
    font-size: 12px;
    cursor: pointer;
    flex: 1;
    max-width: 160px;
    outline: none;
}

.tts-select option {
    background: #1e1e28;
    color: #fff;
}

.tts-auto {
    display: flex;
    align-items: center;
    gap: 4px;
    color: rgba(255,255,255,0.7);
    font-size: 12px;
    cursor: pointer;
    white-space: nowrap;
    user-select: none;
}

.tts-auto input[type="checkbox"] {
    accent-color: #667eea;
    cursor: pointer;
}

/* Line highlight */
.tts-line {
    transition: background 0.3s, padding 0.3s;
    border-radius: 4px;
    padding: 2px 4px;
    margin: 2px 0;
    line-height: 1.8;
}

.tts-line.tts-active {
    background: linear-gradient(135deg, rgba(102,126,234,0.15) 0%, rgba(118,75,162,0.15) 100%);
    border-left: 3px solid #667eea;
    padding-left: 12px;
}

/* Responsive */
@media (max-width: 768px) {
    #tts-player {
        bottom: 70px;
        width: 94%;
        padding: 10px 12px;
        border-radius: 12px;
    }

    .tts-btn {
        width: 34px;
        height: 34px;
    }

    .tts-controls {
        margin-top: 4px;
    }
}

@media (max-width: 480px) {
    #tts-player {
        bottom: 65px;
        width: 96%;
    }

    .tts-select {
        max-width: 120px;
    }

    #tts-toggle-btn {
        bottom: 70px;
        right: 12px;
        width: 42px;
        height: 42px;
    }
}