/* Waveform Viewer Tool Styles - Enhanced Version */

/* Waveform Styles */
#waveform {
    background: var(--bs-light-border-subtle);
    border-radius: 4px;
    overflow: hidden;
}

[data-bs-theme="dark"] #waveform {
    background: rgba(30, 34, 42, 0.6);
}

/* Timeline Styles */
.waveform-timeline {
    height: 20px;
    background: transparent;
    overflow: hidden;
}

@media (max-width: 768px) {
    .waveform-timeline {
        height: 18px;
    }
}

@media (max-width: 480px) {
    .waveform-timeline {
        height: 16px;
    }
}

/* Minimap Styles */
.waveform-minimap {
    background: var(--bs-light-border-subtle);
    border-radius: 4px;
    overflow: hidden;
}

[data-bs-theme="dark"] .waveform-minimap {
    background: rgba(30, 34, 42, 0.4);
}

/* Spectrogram Styles */
.waveform-spectrogram {
    border-radius: 4px;
    overflow: hidden;
    min-height: 200px;
    border: 1px solid #dee2e6;
    background: #1a1a2e;
    position: relative;
}

.waveform-spectrogram canvas {
    display: block !important;
    width: 100% !important;
    height: 200px !important;
    position: relative;
    z-index: 1;
}

.waveform-spectrogram > div {
    width: 100% !important;
}

/* Stereo Waveform Styles */
.stereo-waveform {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.stereo-channel {
    display: flex;
    align-items: center;
    gap: 8px;
}

.channel-label {
    width: 20px;
    font-weight: 600;
    font-size: 12px;
    color: var(--bs-secondary-color);
    text-align: center;
}

.stereo-waveform-channel {
    flex: 1;
    background: var(--bs-light-border-subtle);
    border-radius: 4px;
    overflow: hidden;
}

[data-bs-theme="dark"] .stereo-waveform-channel {
    background: rgba(30, 34, 42, 0.6);
}

/* Waveform Controls */
.waveform-controls {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 0;
    flex-wrap: wrap;
}

/* Play Button - filled style for visibility */
.waveform-play-btn {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 2px solid #495057;
    background: #495057;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.waveform-play-btn:hover {
    background: #343a40;
    border-color: #343a40;
    transform: scale(1.05);
}

.waveform-play-btn:active {
    transform: scale(0.95);
}

.waveform-play-btn .play-icon,
.waveform-play-btn .pause-icon {
    width: 20px;
    height: 20px;
    filter: brightness(0) invert(1);
    transition: filter 0.2s ease;
}

/* Dark mode play button */
[data-bs-theme="dark"] .waveform-play-btn {
    border-color: #6c757d;
    background: #6c757d;
}

[data-bs-theme="dark"] .waveform-play-btn:hover {
    background: #868e96;
    border-color: #868e96;
}

[data-bs-theme="dark"] .waveform-play-btn .play-icon,
[data-bs-theme="dark"] .waveform-play-btn .pause-icon {
    filter: brightness(0) invert(1);
}

/* Time Display */
.waveform-time {
    font-family: 'Courier New', Consolas, monospace;
    font-size: 15px;
    font-weight: 500;
    color: var(--bs-body-color);
}

.waveform-time .current-time {
    color: #212529;
    font-weight: 600;
}

.waveform-time .time-separator {
    margin: 0 4px;
    opacity: 0.5;
}

.waveform-time .total-time {
    opacity: 0.6;
}

[data-bs-theme="dark"] .waveform-time .current-time {
    color: #f8f9fa;
}

/* Control Buttons (Skip, Mute, Loop, A-B, Marker) */
.waveform-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid #dee2e6;
    background: transparent;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.waveform-btn:hover {
    background: #e9ecef;
    border-color: #adb5bd;
}

.waveform-btn:active {
    transform: scale(0.95);
}

.waveform-btn .control-icon,
.waveform-btn .volume-icon,
.waveform-btn .mute-icon {
    width: 16px;
    height: 16px;
    filter: invert(30%) sepia(5%) saturate(500%) hue-rotate(180deg) brightness(95%) contrast(90%);
    transition: filter 0.2s ease;
}

.waveform-btn:hover .control-icon,
.waveform-btn:hover .volume-icon,
.waveform-btn:hover .mute-icon {
    filter: invert(20%) sepia(5%) saturate(500%) hue-rotate(180deg) brightness(85%) contrast(90%);
}

/* Dark mode control buttons */
[data-bs-theme="dark"] .waveform-btn {
    border-color: #495057;
}

[data-bs-theme="dark"] .waveform-btn:hover {
    background: #495057;
    border-color: #6c757d;
}

[data-bs-theme="dark"] .waveform-btn .control-icon,
[data-bs-theme="dark"] .waveform-btn .volume-icon,
[data-bs-theme="dark"] .waveform-btn .mute-icon {
    filter: invert(50%) sepia(5%) saturate(300%) hue-rotate(180deg) brightness(110%) contrast(90%);
}

[data-bs-theme="dark"] .waveform-btn:hover .control-icon,
[data-bs-theme="dark"] .waveform-btn:hover .volume-icon,
[data-bs-theme="dark"] .waveform-btn:hover .mute-icon {
    filter: brightness(0) invert(1);
}

/* Loop button active state */
.waveform-btn-loop.active {
    background: #052c65;
    border-color: #052c65;
}

.waveform-btn-loop.active .control-icon {
    filter: brightness(0) invert(1);
}

[data-bs-theme="dark"] .waveform-btn-loop.active {
    background: #a855f7;
    border-color: #a855f7;
}

/* A-B Loop Button */
.waveform-btn-ab {
    font-size: 11px;
    font-weight: 700;
}

.waveform-btn-ab .ab-text {
    color: #495057;
    transition: color 0.2s ease;
}

.waveform-btn-ab:hover .ab-text {
    color: #212529;
}

.waveform-btn-ab.waiting-a {
    background: rgba(255, 193, 7, 0.2);
    border-color: #ffc107;
}

.waveform-btn-ab.waiting-a .ab-text {
    color: #ffc107;
}

.waveform-btn-ab.waiting-b {
    background: rgba(255, 193, 7, 0.4);
    border-color: #ffc107;
}

.waveform-btn-ab.waiting-b .ab-text {
    color: #b38600;
}

.waveform-btn-ab.active {
    background: #f59e0b;
    border-color: #f59e0b;
}

.waveform-btn-ab.active .ab-text {
    color: #fff;
}

[data-bs-theme="dark"] .waveform-btn-ab .ab-text {
    color: #adb5bd;
}

[data-bs-theme="dark"] .waveform-btn-ab:hover .ab-text {
    color: #f8f9fa;
}

/* Marker Button */
.waveform-btn-marker.active {
    background: #052c65;
    border-color: #052c65;
}

.waveform-btn-marker.active .control-icon {
    filter: brightness(0) invert(1);
}

/* Volume Controls */
.waveform-volume {
    display: flex;
    align-items: center;
    gap: 8px;
}

.volume-slider {
    width: 80px;
    height: 4px;
    -webkit-appearance: none;
    appearance: none;
    background: #dee2e6;
    border-radius: 2px;
    cursor: pointer;
}

.volume-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: #495057;
    cursor: pointer;
    transition: background 0.2s ease;
}

.volume-slider::-webkit-slider-thumb:hover {
    background: #052c65;
}

.volume-slider::-moz-range-thumb {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: #495057;
    cursor: pointer;
    border: none;
}

.volume-slider::-moz-range-thumb:hover {
    background: #052c65;
}

[data-bs-theme="dark"] .volume-slider {
    background: #495057;
}

[data-bs-theme="dark"] .volume-slider::-webkit-slider-thumb {
    background: #adb5bd;
}

[data-bs-theme="dark"] .volume-slider::-webkit-slider-thumb:hover {
    background: #a855f7;
}

[data-bs-theme="dark"] .volume-slider::-moz-range-thumb {
    background: #adb5bd;
}

[data-bs-theme="dark"] .volume-slider::-moz-range-thumb:hover {
    background: #a855f7;
}

/* Volume Percentage */
.volume-percent {
    font-size: 12px;
    font-weight: 500;
    color: var(--bs-secondary-color);
    min-width: 35px;
    text-align: right;
}

/* Playback Speed */
.waveform-speed select {
    width: auto;
    min-width: 70px;
    padding: 4px 8px;
    font-size: 13px;
    border-color: #dee2e6;
}

[data-bs-theme="dark"] .waveform-speed select {
    background: #212529;
    border-color: #495057;
    color: #f8f9fa;
}

/* Peak Meters */
.peak-meters {
    display: none;
    flex-direction: column;
    gap: 4px;
    padding: 8px 12px;
    background: var(--bs-light-border-subtle);
    border-radius: 4px;
    overflow: hidden;
}

[data-bs-theme="dark"] .peak-meters {
    background: rgba(30, 34, 42, 0.6);
}

/* Peak Meters Mobile */
@media (max-width: 480px) {
    .peak-meters {
        padding: 6px 8px;
    }
    .peak-meter-container {
        gap: 4px;
    }
    .peak-db {
        min-width: 52px;
        font-size: 10px;
    }
    .peak-label {
        width: 10px;
        font-size: 10px;
    }
}

.peak-meter-container {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: nowrap;
}

.peak-label {
    width: 12px;
    flex-shrink: 0;
    font-size: 11px;
    font-weight: 600;
    color: var(--bs-secondary-color);
}

.peak-meter {
    flex: 1;
    height: 8px;
    background: #e9ecef;
    border-radius: 4px;
    position: relative;
    overflow: hidden;
}

[data-bs-theme="dark"] .peak-meter {
    background: #343a40;
}

.peak-meter-bar {
    height: 100%;
    background: linear-gradient(to right, #22c55e, #84cc16, #eab308);
    border-radius: 4px;
    transition: width 0.05s linear;
}

.peak-meter-bar.peak-mid {
    background: linear-gradient(to right, #22c55e, #84cc16, #eab308, #f97316);
}

.peak-meter-bar.peak-high {
    background: linear-gradient(to right, #22c55e, #84cc16, #eab308, #f97316, #ef4444);
}

.peak-meter-peak {
    position: absolute;
    top: 0;
    width: 2px;
    height: 100%;
    background: #ef4444;
    transition: left 0.1s ease-out;
}

.peak-db {
    min-width: 58px;
    flex-shrink: 0;
    font-size: 11px;
    font-family: 'Courier New', Consolas, monospace;
    color: var(--bs-secondary-color);
    text-align: right;
    white-space: nowrap;
}

/* Keyboard Hints */
.keyboard-hints {
    padding: 4px 0;
}

.keyboard-hints kbd {
    background: #e9ecef;
    border: 1px solid #adb5bd;
    border-radius: 3px;
    padding: 2px 6px;
    font-size: 11px;
    font-family: 'Courier New', Consolas, monospace;
    font-weight: 600;
    color: #212529;
    box-shadow: 0 1px 2px rgba(0,0,0,0.15), inset 0 -1px 0 rgba(0,0,0,0.1);
}

[data-bs-theme="dark"] .keyboard-hints kbd {
    background: #495057;
    border-color: #6c757d;
    color: #f8f9fa;
    box-shadow: 0 1px 2px rgba(0,0,0,0.3), inset 0 -1px 0 rgba(0,0,0,0.2);
}

/* WaveSurfer Region Styles - A-B Loop (amber/orange) */
#waveform [data-region] {
    border-left: 3px solid #f59e0b !important;
    border-right: 3px solid #f59e0b !important;
    border-top: 2px solid #f59e0b !important;
    border-bottom: 2px solid #f59e0b !important;
    box-shadow: 0 0 8px rgba(245, 158, 11, 0.5);
}

#waveform [data-region]::before {
    content: 'A-B';
    position: absolute;
    top: 2px;
    left: 50%;
    transform: translateX(-50%);
    background: #f59e0b;
    color: #fff;
    padding: 1px 6px;
    border-radius: 3px;
    font-size: 10px;
    font-weight: 600;
    z-index: 10;
}

/* Card Styles */
.card {
    border-radius: 8px;
    border: 1px dotted var(--bs-dark-bg-subtle);
    background: var(--bs-light-border-subtle);
}

.card-header {
    background: var(--bs-secondary-bg-subtle);
    border-bottom: 1px dotted var(--bs-dark-bg-subtle);
}

.card-header h5, .card-header h6 {
    margin: 0;
}

[data-bs-theme="dark"] .card {
    background-color: rgba(30, 34, 42, 0.6);
    border-color: rgba(168, 85, 247, 0.3);
}

[data-bs-theme="dark"] .card-header {
    background: rgba(30, 34, 42, 0.8);
    border-bottom-color: rgba(168, 85, 247, 0.3);
}

/* View Mode Button Group */
.btn-group .btn.active {
    background-color: #052c65;
    border-color: #052c65;
    color: #fff;
}

.btn-group .btn.active .filter-svg {
    filter: brightness(0) invert(1);
}

[data-bs-theme="dark"] .btn-group .btn.active {
    background-color: #a855f7;
    border-color: #a855f7;
}

/* Filter SVG */
.filter-svg {
    filter: none;
}

[data-bs-theme="dark"] .filter-svg {
    filter: invert(1) brightness(0.8);
}

[data-bs-theme="dark"] .alert-info {
    background-color: #132a4a;
    border-color: #0d6efd;
    color: #9db5d0;
}

.form-label {
    cursor: default;
    -webkit-user-select: none;
    user-select: none;
}

.form-control[readonly] {
    cursor: default;
}

.btn img {
    display: inline-block;
    vertical-align: middle;
}

/* Loading Container */
#loadingContainer .progress {
    background: #e9ecef;
}

[data-bs-theme="dark"] #loadingContainer .progress {
    background: #343a40;
}

/* Responsive Styles */
@media (max-width: 768px) {
    #waveform {
        height: 100px;
    }

    .waveform-controls {
        gap: 8px;
    }

    .waveform-play-btn {
        width: 42px;
        height: 42px;
    }

    .waveform-play-btn .play-icon,
    .waveform-play-btn .pause-icon {
        width: 18px;
        height: 18px;
    }

    .waveform-btn {
        width: 32px;
        height: 32px;
    }

    .waveform-btn .control-icon,
    .waveform-btn .volume-icon,
    .waveform-btn .mute-icon {
        width: 14px;
        height: 14px;
    }

    .waveform-time {
        font-size: 14px;
    }

    .volume-slider {
        width: 60px;
    }

    .volume-percent {
        display: none;
    }

    .waveform-speed select {
        min-width: 60px;
        font-size: 12px;
    }

    .waveform-minimap {
        height: 20px;
    }

    .keyboard-hints {
        display: none;
    }

    .peak-meters {
        padding: 6px 8px;
    }

    .peak-db {
        width: 45px;
        font-size: 10px;
    }

    .waveform-btn-ab {
        font-size: 10px;
    }
}

@media (max-width: 576px) {
    .waveform-controls {
        justify-content: center;
    }

    .btn-group-sm .btn {
        padding: 0.2rem 0.4rem;
    }
}

/* Fullscreen Mode */
.card.fullscreen-mode {
    background: var(--bs-body-bg);
    display: flex;
    flex-direction: column;
    height: 100vh;
    width: 100vw;
    border-radius: 0;
    border: none;
}

.card.fullscreen-mode .card-header {
    flex-shrink: 0;
    border-radius: 0;
}

.card.fullscreen-mode .card-body {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: auto;
    padding: 1.5rem;
}

.card.fullscreen-mode #waveform {
    flex: 1;
    min-height: 200px;
}

.card.fullscreen-mode .waveform-spectrogram {
    flex: 1;
    min-height: 300px;
}

.card.fullscreen-mode .waveform-spectrogram canvas {
    height: 100% !important;
    min-height: 300px !important;
}

.card.fullscreen-mode .waveform-minimap {
    height: 40px;
}

.card.fullscreen-mode .waveform-controls {
    padding: 12px 0;
}

.card.fullscreen-mode .waveform-play-btn {
    width: 56px;
    height: 56px;
}

.card.fullscreen-mode .waveform-play-btn .play-icon,
.card.fullscreen-mode .waveform-play-btn .pause-icon {
    width: 24px;
    height: 24px;
}

.card.fullscreen-mode .waveform-btn {
    width: 42px;
    height: 42px;
}

.card.fullscreen-mode .waveform-time {
    font-size: 18px;
}

.card.fullscreen-mode .peak-meters {
    padding: 12px 16px;
}

.card.fullscreen-mode .peak-meter {
    height: 12px;
}

.card.fullscreen-mode .keyboard-hints {
    display: block;
}

[data-bs-theme="dark"] .card.fullscreen-mode {
    background: var(--bs-body-bg);
}