/* ═══════════════════════════════════════════════════════════════════════
   benchKIT — Camera Module Styles
   Full-width, no-scroll layout. Settings LEFT, viewer RIGHT.
   ═══════════════════════════════════════════════════════════════════════ */

/* Override body/container defaults for full-viewport, no-scroll camera layout */
body:has(.camera-page) {
    padding-top: 0;
    overflow: hidden;
    min-height: 0;
}

.camera-page.container {
    max-width: 100%;
    padding: var(--space-2) var(--space-3);
    height: 100dvh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    box-sizing: border-box;
}

.camera-page .app-header {
    flex-shrink: 0;
    margin-bottom: var(--space-1);
}

.camera-page main { flex: 1; min-height: 0; }

/* ── Main Layout: sidebar LEFT, viewer RIGHT ──────────────────────────── */

.camera-layout {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: var(--space-3);
    height: 100%;
}

/* ── Video Area ───────────────────────────────────────────────────────── */

.video-area {
    position: relative;
    background: #000;
    border-radius: var(--radius-md);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-default);
    min-height: 0;
    cursor: pointer;
}

.video-area:has(canvas.calibrating) {
    cursor: crosshair;
}

.zoom-wrapper {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    transform-origin: center center;
    transition: transform 0.1s ease-out;
    pointer-events: none;
}

.video-area video {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.video-area canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    object-fit: contain;
}

.video-area canvas.calibrating {
    pointer-events: auto;
    cursor: crosshair;
}

.video-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    color: var(--text-muted);
    text-align: center;
    padding: var(--space-6);
}

.video-placeholder svg { opacity: 0.3; }

.video-placeholder p {
    font-size: var(--font-sm);
    max-width: 280px;
}

/* Frozen frame overlay */
.frozen-overlay {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    display: none;
    align-items: center;
    justify-content: center;
}

.frozen-overlay.active { display: flex; }

.frozen-overlay img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

/* Bottom toolbar */
.video-toolbar {
    position: absolute;
    bottom: 0;
    left: 0; right: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-2) var(--space-3);
    background: linear-gradient(transparent, rgba(0,0,0,0.85));
}

.toolbar-main {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.ghost-controls {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: 2px 8px;
    background: rgba(0, 255, 204, 0.1);
    border: 1px solid rgba(0, 255, 204, 0.3);
    border-radius: var(--radius-sm);
    margin-right: var(--space-4);
}

.ghost-controls label {
    font-size: 9px;
    text-transform: uppercase;
    color: var(--accent);
    font-weight: bold;
}

.ghost-select {
    background: rgba(0,0,0,0.4);
    border: 1px solid rgba(255,255,255,0.1);
    color: #fff;
    font-size: 8px;
    padding: 1px 4px;
    border-radius: 2px;
    text-transform: uppercase;
}

.ghost-controls input[type="range"] {
    width: 60px;
    height: 4px;
}

.ghost-overlay {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    display: none;
    pointer-events: none;
    z-index: 10;
}

.ghost-overlay.active { display: block; }

.ghost-overlay canvas {
    width: 100%; height: 100%;
    object-fit: contain;
    opacity: 0.5;
}

.capture-btn {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 3px solid #fff;
    background: transparent;
    cursor: pointer;
    position: relative;
    transition: all 0.15s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.capture-btn::after {
    content: '';
    display: block;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: #fff;
    transition: all 0.15s;
}

.capture-btn:hover::after { background: var(--accent); }
.capture-btn:active { transform: scale(0.92); }
.capture-btn:active::after { background: var(--accent); }

/* Flash */
.flash {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: #fff;
    opacity: 0;
    pointer-events: none;
    z-index: 50;
}

.flash.active { animation: shutter-anim 0.25s cubic-bezier(0.4, 0, 0.2, 1); }

@keyframes shutter-anim {
    0% { opacity: 0; background: #fff; }
    20% { opacity: 1; background: #fff; }
    40% { opacity: 0.2; background: #000; }
    100% { opacity: 0; background: transparent; }
}

/* ── Sidebar (LEFT panel) ─────────────────────────────────────────────── */

.camera-sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    overflow-y: auto;
    overflow-x: hidden;
    /* subtle scrollbar */
    scrollbar-width: thin;
    scrollbar-color: var(--border-default) transparent;
}

.sidebar-section {
    background: var(--bg-surface);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-sm);
    padding: var(--space-2) var(--space-3);
}

.sidebar-section h3 {
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    margin: 0 0 var(--space-2) 0;
    padding-bottom: var(--space-1);
    border-bottom: 1px solid var(--border-subtle);
}

/* Controls */
.ctrl-row {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-1);
}

.ctrl-row label {
    font-size: 10px;
    color: var(--text-muted);
    white-space: nowrap;
    min-width: 40px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.ctrl-row select,
.ctrl-row input[type="text"],
.ctrl-row input[type="number"] {
    flex: 1;
    min-width: 0;
    font-size: var(--font-2xs);
    padding: 3px 6px;
}

.ctrl-row input[type="range"] {
    flex: 1;
    min-width: 0;
    cursor: pointer;
}

.zoom-label {
    font-size: 9px;
    font-family: var(--font-family-mono);
    color: var(--text-muted);
    min-width: 28px;
    text-align: right;
}

/* Toggle rows */
.toggle-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 2px 0;
}

.toggle-row label {
    font-size: var(--font-2xs);
    color: var(--text-secondary);
}

/* Measurement list */
.measurement-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
    margin-top: var(--space-1);
}

.measurement-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 3px var(--space-2);
    background: var(--bg-surface-2);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-subtle);
    font-size: var(--font-2xs);
}

.measurement-item .measurement-label {
    color: #00aaff;
    font-family: var(--font-family-mono);
}

.measurement-item .delete-measurement {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 1px;
    font-size: 12px;
    line-height: 1;
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.measurement-item:hover .delete-measurement { opacity: 1; }
.measurement-item .delete-measurement:hover { color: var(--danger); }

/* Calibration profiles */
.profile-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
    margin-top: var(--space-1);
}

.profile-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 3px var(--space-2);
    background: var(--bg-surface-2);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-subtle);
    cursor: pointer;
    transition: background var(--transition-fast);
    font-size: var(--font-2xs);
}

.profile-item:hover { background: var(--bg-hover); }

.profile-item.active {
    border-color: var(--accent);
    background: rgba(255,170,0,0.08);
}

.profile-item .profile-name {
    color: var(--text-primary);
    font-weight: 500;
}

.profile-item .profile-meta {
    color: var(--text-muted);
    font-size: 9px;
}

.profile-item .delete-profile {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 1px;
    font-size: 12px;
    line-height: 1;
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.profile-item:hover .delete-profile { opacity: 1; }
.profile-item .delete-profile:hover { color: var(--danger); }

/* Metadata form — compact */
.meta-form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2);
}

.meta-form .form-field {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.meta-form .form-field.full-width {
    grid-column: 1 / -1;
}

.meta-form label {
    font-size: 9px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.meta-form input,
.meta-form select,
.meta-form textarea {
    font-size: var(--font-2xs);
    padding: 3px 6px;
}

.meta-form textarea {
    resize: vertical;
    min-height: 36px;
}

/* ── Gallery ──────────────────────────────────────────────────────────── */

.gallery-search {
    margin-bottom: var(--space-2);
}

.gallery-search input {
    width: 100%;
    font-size: 10px;
    padding: 4px 8px;
    background: rgba(0,0,0,0.2);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
}

.gallery-container {
    max-height: 400px;
    overflow-y: auto;
    overflow-x: hidden;
    margin: 0 -4px;
    padding: 0 4px;
    scrollbar-width: thin;
}

.date-header {
    font-size: 9px;
    font-weight: bold;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: var(--space-2) 0 var(--space-1) 0;
    border-bottom: 1px solid var(--border-subtle);
    margin-bottom: var(--space-1);
    position: sticky;
    top: 0;
    background: var(--bg-surface);
    z-index: 5;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 4px;
    margin-bottom: var(--space-3);
}

.gallery-thumb {
    position: relative;
    aspect-ratio: 4/3;
    border-radius: 3px;
    overflow: hidden;
    cursor: pointer;
    border: 2px solid transparent;
    transition: border-color var(--transition-fast);
}

.gallery-thumb:hover { border-color: var(--accent); }
.gallery-thumb.selected { border-color: var(--accent); }

.gallery-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.gallery-thumb .thumb-badge {
    position: absolute;
    bottom: 2px;
    right: 2px;
    background: rgba(0,0,0,0.8);
    color: #fff;
    font-size: 8px;
    padding: 1px 4px;
    border-radius: 2px;
    font-family: var(--font-family-mono);
    border: 1px solid rgba(255,255,255,0.1);
}

.gallery-thumb .thumb-icons {
    position: absolute;
    top: 2px;
    left: 2px;
    display: flex;
    gap: 2px;
}

.status-icon {
    width: 12px;
    height: 12px;
    background: rgba(0,0,0,0.6);
    border-radius: 2px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    font-size: 8px;
    border: 1px solid rgba(0, 255, 204, 0.3);
}

.status-icon.meta { color: #00aaff; border-color: rgba(0, 170, 255, 0.3); }
.status-icon.cal { color: #ffaa00; border-color: rgba(255, 170, 0, 0.3); }

.gallery-thumb.ghosting {
    border-color: var(--accent);
    box-shadow: 0 0 10px var(--accent);
}

.gallery-thumb.ghosting::before {
    content: 'GHOST';
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    background: var(--accent);
    color: #000;
    font-size: 8px;
    font-weight: 800;
    padding: 2px 4px;
    border-radius: 2px;
    z-index: 2;
}

.gallery-actions {
    display: flex;
    gap: var(--space-1);
    margin-top: var(--space-2);
}

.gallery-actions button {
    flex: 1;
    min-width: 0;
    font-size: 10px;
    padding: 3px var(--space-2);
}

.gallery-empty {
    text-align: center;
    padding: var(--space-3) var(--space-2);
    color: var(--text-muted);
    font-size: var(--font-2xs);
}

/* ── Preview Modal ────────────────────────────────────────────────────── */

.preview-backdrop {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0,0,0,0.85);
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--space-6);
}

.preview-backdrop.open { display: flex; }

.preview-container {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-3);
}

.preview-container img {
    max-width: 100%;
    max-height: 80vh;
    object-fit: contain;
    border-radius: var(--radius-md);
}

.preview-meta {
    color: var(--text-secondary);
    font-size: var(--font-xs);
    font-family: var(--font-family-mono);
    text-align: center;
}

.preview-actions {
    display: flex;
    gap: var(--space-3);
}

.preview-close {
    position: absolute;
    top: -36px;
    right: 0;
    background: none;
    border: none;
    color: #fff;
    font-size: 28px;
    cursor: pointer;
    padding: var(--space-1);
    line-height: 1;
}

/* ── Responsive ───────────────────────────────────────────────────────── */

@media (max-width: 768px) {
    .camera-layout {
        grid-template-columns: 1fr;
        height: auto;
    }

    .video-area {
        aspect-ratio: 16/9;
        min-height: 260px;
    }

    .camera-sidebar {
        flex-direction: row;
        flex-wrap: wrap;
        overflow-y: visible;
    }

    .sidebar-section {
        flex: 1 1 220px;
    }
}