/* ── EEG Viewer Container ── */
.eeg-viewer-container {
    background: #0d1117;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid #21262d;
}

.eeg-viewer-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.6rem 1rem;
    background: #161b22;
    border-bottom: 1px solid #21262d;
}

.eeg-viewer-toolbar-title {
    color: #c9d1d9;
    font-weight: 600;
    font-size: 0.82rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.eeg-viewer-toolbar-actions {
    display: flex;
    gap: 0.35rem;
}

.eeg-viewer-btn {
    width: 34px;
    height: 34px;
    border-radius: 8px;
    border: 1px solid #30363d;
    background: #21262d;
    color: #c9d1d9;
    font-size: 0.9rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s;
}

.eeg-viewer-btn:hover {
    background: #30363d;
    color: #58a6ff;
    border-color: #58a6ff;
}

.eeg-viewer-info-bar {
    padding: 0.5rem 1rem;
    background: #161b22;
    border-top: 1px solid #21262d;
    font-size: 0.75rem;
    color: #8b949e;
}

/* ── DICOM Image Viewport ── */
.dicom-image-viewport {
    height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: #0d1117;
    position: relative;
}

.dicom-image-viewport canvas {
    display: block;
    width: 100%;
    height: 100%;
}

.dicom-image-viewport:fullscreen {
    height: 100vh;
}

.dicom-image-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: #8b949e;
}

/* ── Waveform Viewport ── */
.waveform-viewport {
    height: 500px;
    position: relative;
    background: #0d1117;
    overflow: hidden;
}

.waveform-viewport canvas {
    display: block;
    width: 100%;
    height: 100%;
}

.waveform-viewport:fullscreen {
    height: 100vh;
}

.waveform-viewport:fullscreen canvas {
    height: 100vh;
}

.waveform-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: #8b949e;
}

.waveform-controls {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.6rem 1rem;
    background: #161b22;
    border-top: 1px solid #21262d;
    direction: ltr;
}

.waveform-time-display {
    font-family: "Vazirmatn", monospace;
    font-size: 0.8rem;
    color: #58a6ff;
    font-weight: 600;
    min-width: 110px;
    direction: ltr;
    text-align: left;
}

.waveform-progress-bar {
    flex: 1;
    height: 6px;
    background: #21262d;
    border-radius: 3px;
    cursor: pointer;
    position: relative;
}

.waveform-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #1a56db, #58a6ff);
    border-radius: 3px;
    transition: width 0.1s linear;
}

.waveform-progress-bar:hover .waveform-progress-fill {
    background: linear-gradient(90deg, #2563eb, #79c0ff);
}

.dicom-controls-bar {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.6rem 1rem;
    background: #161b22;
    border-top: 1px solid #21262d;
    flex-wrap: wrap;
}

.dicom-control-group {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.dicom-control-label {
    font-size: 0.75rem;
    color: #8b949e;
    font-weight: 600;
    min-width: 24px;
}

.dicom-control-slider {
    width: 120px;
    height: 4px;
    -webkit-appearance: none;
    appearance: none;
    background: #21262d;
    border-radius: 2px;
    outline: none;
}

.dicom-control-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: #58a6ff;
    cursor: pointer;
    border: 2px solid #0d1117;
}

.dicom-control-slider::-moz-range-thumb {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: #58a6ff;
    cursor: pointer;
    border: 2px solid #0d1117;
}

.dicom-control-value {
    font-size: 0.72rem;
    color: #58a6ff;
    font-weight: 600;
    min-width: 36px;
    font-family: monospace;
    direction: ltr;
}

.dicom-metadata-panel {
    display: none;
    padding: 0.75rem 1rem;
    background: #161b22;
    border-top: 1px solid #21262d;
}

.dicom-metadata-panel.show {
    display: block;
}

.dicom-metadata-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 0.35rem;
}

.dicom-meta-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.25rem 0.5rem;
    background: #0d1117;
    border-radius: 4px;
    font-size: 0.75rem;
}

.dicom-meta-key {
    color: #8b949e;
    font-weight: 600;
}

.dicom-meta-val {
    color: #c9d1d9;
    font-weight: 400;
    max-width: 100px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    direction: ltr;
}

@media (max-width: 575.98px) {
    .dicom-control-slider {
        width: 80px;
    }
    .dicom-controls-bar {
        gap: 0.5rem;
    }
}

/* ── Responsive ── */
@media (max-width: 575.98px) {
    .dicom-image-viewport {
        height: 350px;
    }
    .waveform-viewport {
        height: 350px;
    }
    .eeg-viewer-toolbar {
        flex-direction: column;
        gap: 0.5rem;
        align-items: flex-start;
    }
    .eeg-viewer-toolbar-actions {
        align-self: flex-end;
    }
}