/**
 * WP TTS Reader - Player Styles
 */

/* Player Wrapper */
.tts-player-wrapper {
    --tts-player-bg: #ffffff;
    --tts-player-border: #e0e0e0;
    --tts-player-text: #333333;
    --tts-button-bg: #0073aa;
    --tts-button-hover: #005a87;
    --tts-button-text: #ffffff;
    --tts-progress-bar: #0073aa;
    --tts-progress-bg: #e0e0e0;
    --tts-highlight-bg: #ffeb3b;
    --tts-highlight-text: #000000;
    
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
    background: var(--tts-player-bg);
    border: 1px solid var(--tts-player-border);
    border-radius: 8px;
    margin: 20px 0;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

/* Player Header */
.tts-player-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background: var(--tts-player-bg);
    border-bottom: 1px solid var(--tts-player-border);
}

.tts-player-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--tts-player-text);
}

/* Player Body */
.tts-player-body {
    padding: 16px;
}

/* Minimized State */
.tts-player-wrapper.tts-minimized .tts-player-body {
    display: none;
}

.tts-player-wrapper.tts-minimized .tts-btn-minimize .tts-icon-minimize {
    transform: rotate(180deg);
}

/* Buttons */
.tts-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--tts-button-bg);
    color: var(--tts-button-text);
    border: none;
    padding: 10px 16px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s ease;
    min-width: 44px;
    min-height: 44px;
}

.tts-btn:hover {
    background: var(--tts-button-hover);
    transform: translateY(-1px);
}

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

.tts-btn:focus {
    outline: 2px solid var(--tts-button-bg);
    outline-offset: 2px;
}

.tts-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* Icon Buttons */
.tts-btn-minimize {
    background: transparent;
    color: var(--tts-player-text);
    padding: 5px;
    min-width: auto;
    min-height: auto;
    font-size: 18px;
}

.tts-btn-minimize:hover {
    background: rgba(0, 0, 0, 0.05);
}

/* Icons */
.tts-icon {
    font-style: normal;
    font-size: 16px;
    line-height: 1;
}

.tts-icon-play,
.tts-icon-pause {
    font-size: 18px;
}

/* Main Controls */
.tts-controls-main {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.tts-btn-play {
    padding: 12px 24px;
    font-size: 18px;
}

/* Volume Control */
.tts-volume-control {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: 10px;
}

.tts-icon-volume {
    font-size: 18px;
}

.tts-volume-slider {
    width: 80px;
    height: 6px;
    -webkit-appearance: none;
    appearance: none;
    background: var(--tts-progress-bg);
    border-radius: 3px;
    cursor: pointer;
}

.tts-volume-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    background: var(--tts-button-bg);
    border-radius: 50%;
    cursor: pointer;
}

.tts-volume-slider::-moz-range-thumb {
    width: 16px;
    height: 16px;
    background: var(--tts-button-bg);
    border-radius: 50%;
    cursor: pointer;
    border: none;
}

/* Progress Bar */
.tts-progress-wrapper {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.tts-progress-bar {
    flex: 1;
    height: 8px;
    background: var(--tts-progress-bg);
    border-radius: 4px;
    overflow: hidden;
    cursor: pointer;
    position: relative;
}

.tts-progress-fill {
    height: 100%;
    background: var(--tts-progress-bar);
    border-radius: 4px;
    transition: width 0.1s ease;
    width: 0%;
}

.tts-time-display {
    font-size: 13px;
    color: var(--tts-player-text);
    white-space: nowrap;
    min-width: 80px;
    text-align: right;
}

/* Rate Control */
.tts-rate-control {
    margin-bottom: 16px;
}

.tts-control-label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--tts-player-text);
    margin-bottom: 8px;
}

.tts-rate-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.tts-btn-rate {
    background: transparent;
    color: var(--tts-player-text);
    border: 1px solid var(--tts-player-border);
    padding: 6px 12px;
    font-size: 12px;
    min-width: auto;
    min-height: auto;
}

.tts-btn-rate:hover {
    background: var(--tts-button-bg);
    color: var(--tts-button-text);
    border-color: var(--tts-button-bg);
}

.tts-btn-rate.active {
    background: var(--tts-button-bg);
    color: var(--tts-button-text);
    border-color: var(--tts-button-bg);
}

/* Advanced Controls */
.tts-advanced-controls {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 16px;
}

.tts-voice-control,
.tts-pitch-control {
    flex: 1;
    min-width: 150px;
}

.tts-voice-select {
    width: 100%;
    padding: 8px 12px;
    font-size: 13px;
    border: 1px solid var(--tts-player-border);
    border-radius: 4px;
    background: var(--tts-player-bg);
    color: var(--tts-player-text);
    cursor: pointer;
}

.tts-pitch-slider {
    width: 100%;
    height: 6px;
    -webkit-appearance: none;
    appearance: none;
    background: var(--tts-progress-bg);
    border-radius: 3px;
    cursor: pointer;
}

.tts-pitch-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    background: var(--tts-button-bg);
    border-radius: 50%;
    cursor: pointer;
}

.tts-pitch-slider::-moz-range-thumb {
    width: 16px;
    height: 16px;
    background: var(--tts-button-bg);
    border-radius: 50%;
    cursor: pointer;
    border: none;
}

/* Highlight Control */
.tts-highlight-control {
    margin-bottom: 0;
}

.tts-checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--tts-player-text);
    cursor: pointer;
}

.tts-highlight-checkbox {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

/* Browser Warning */
.tts-browser-warning {
    padding: 16px;
    background: #fff3cd;
    border: 1px solid #ffc107;
    border-radius: 4px;
    color: #856404;
    text-align: center;
}

.tts-browser-warning p {
    margin: 0;
}

/* Hidden Content */
.tts-content {
    display: none;
}

/* Sentence Highlighting */
.tts-sentence-highlight {
    background: var(--tts-highlight-bg) !important;
    color: var(--tts-highlight-text) !important;
    padding: 2px 4px;
    border-radius: 2px;
    transition: background 0.2s ease;
}

/* States */
.tts-player-wrapper.tts-playing .tts-icon-play {
    display: none;
}

.tts-player-wrapper.tts-playing .tts-icon-pause {
    display: inline !important;
}

.tts-player-wrapper.tts-paused .tts-icon-play {
    display: inline;
}

.tts-player-wrapper.tts-paused .tts-icon-pause {
    display: none !important;
}

/* Loading State */
.tts-player-wrapper.tts-loading .tts-btn-play {
    opacity: 0.7;
    pointer-events: none;
}

.tts-player-wrapper.tts-loading .tts-btn-play::after {
    content: '';
    display: inline-block;
    width: 16px;
    height: 16px;
    margin-left: 8px;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: tts-spin 1s linear infinite;
}

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

/* Responsive */
@media screen and (max-width: 480px) {
    .tts-player-wrapper {
        margin: 15px 0;
    }
    
    .tts-player-header,
    .tts-player-body {
        padding: 12px;
    }
    
    .tts-controls-main {
        gap: 8px;
    }
    
    .tts-btn {
        padding: 8px 12px;
        min-width: 40px;
        min-height: 40px;
    }
    
    .tts-btn-play {
        padding: 10px 20px;
    }
    
    .tts-volume-control {
        margin-left: 0;
        margin-top: 10px;
        width: 100%;
        justify-content: center;
    }
    
    .tts-volume-slider {
        width: 120px;
    }
    
    .tts-progress-wrapper {
        flex-direction: column;
        align-items: stretch;
    }
    
    .tts-time-display {
        text-align: center;
        min-width: auto;
    }
    
    .tts-rate-buttons {
        justify-content: center;
    }
    
    .tts-advanced-controls {
        flex-direction: column;
    }
    
    .tts-voice-control,
    .tts-pitch-control {
        min-width: 100%;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    .tts-btn,
    .tts-progress-fill,
    .tts-sentence-highlight {
        transition: none;
    }
    
    .tts-player-wrapper.tts-loading .tts-btn-play::after {
        animation: none;
    }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    .tts-player-wrapper {
        border-width: 2px;
    }
    
    .tts-btn {
        border: 2px solid currentColor;
    }
    
    .tts-btn:focus {
        outline-width: 3px;
    }
}

/* Print */
@media print {
    .tts-player-wrapper {
        display: none;
    }
}