/* OCT Rainbow QC — Dark Theme */

/* Uses variables from common.css (--bg-dark, --bg-card, etc.) with QC-specific additions */
:root {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-card: #1e293b;
    --bg-hover: #273548;
    --text-primary: #e2e8f0;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --border: #334155;
    --accent: #22d3ee;
    --accent-hover: #06b6d4;
    --success: #28a745;
    --danger: #dc3545;
    --warning: #ffc107;
    --info: #17a2b8;
    --approved-bg: rgba(40, 167, 69, 0.15);
    --rejected-bg: rgba(220, 53, 69, 0.15);
    --pending-bg: rgba(34, 211, 238, 0.08);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.5;
    min-height: 100vh;
}

/* Navbar */
.navbar {
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--accent), #0891b2);
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.3);
    padding: 0 20px;
    height: 48px;
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-brand a {
    color: #fff;
    text-decoration: none;
    font-weight: 700;
    font-size: 16px;
}

.nav-links {
    display: flex;
    gap: 4px;
    margin-left: 32px;
}

.nav-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    padding: 12px 16px;
    font-size: 14px;
    border-bottom: 2px solid transparent;
    transition: color 0.15s, border-color 0.15s;
}

.nav-links a:hover { color: #fff; }
.nav-links a.active {
    color: #fff;
    font-weight: 600;
    border-bottom-color: #fff;
}

.nav-user {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 13px;
}

.user-name { color: rgba(255, 255, 255, 0.9); }

.btn-logout {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 13px;
}
.btn-logout:hover { color: #fff; }

/* Container */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

/* Flash messages */
.flash-messages { margin-bottom: 16px; }
.flash {
    padding: 10px 16px;
    border-radius: 6px;
    font-size: 14px;
    margin-bottom: 8px;
}
.flash-error { background: rgba(244, 67, 54, 0.2); color: #ff6b6b; }
.flash-info { background: rgba(33, 150, 243, 0.2); color: #64b5f6; }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 16px;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--bg-card);
    color: var(--text-primary);
    text-decoration: none;
    font-size: 14px;
    cursor: pointer;
    transition: background 0.15s, border-color 0.15s;
    min-height: 36px;
}
.btn:hover { background: var(--bg-hover); }
.btn-sm { padding: 4px 12px; font-size: 13px; min-height: 28px; }
.btn-lg { padding: 12px 24px; font-size: 16px; min-height: 48px; }
.btn-full { width: 100%; }
.btn-disabled { opacity: 0.4; pointer-events: none; }
.btn-primary { background: linear-gradient(135deg, var(--accent), #0891b2); border: none; color: #fff; }
.btn-primary:hover { opacity: 0.9; transform: translateY(-1px); box-shadow: 0 4px 15px rgba(34, 211, 238, 0.3); }
.btn-success { background: var(--success); border-color: var(--success); color: #fff; }
.btn-success:hover { background: #43a047; }
.btn-danger { background: var(--danger); border-color: var(--danger); color: #fff; }
.btn-danger:hover { background: #e53935; }
.btn-warning { background: var(--warning); border-color: var(--warning); color: #fff; }
.btn-warning:hover { background: #f57c00; }
.btn-outline { background: transparent; }
.btn-outline:hover { background: var(--bg-hover); }

/* Login */
.login-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - 88px);
}

.login-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 40px;
    width: 100%;
    max-width: 400px;
    text-align: center;
}

.login-card h1 {
    font-size: 24px;
    margin-bottom: 8px;
    color: var(--accent);
}

.login-subtitle {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 24px;
}

.login-form { text-align: left; }

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.form-group input {
    width: 100%;
    padding: 10px 12px;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 14px;
}
.form-group input:focus {
    outline: none;
    border-color: var(--accent);
}

.login-form .btn { margin-top: 8px; }

/* Dashboard */
.dashboard-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 12px;
}

.dashboard-header h1 { font-size: 20px; }

.filter-tabs {
    display: flex;
    gap: 4px;
}

.tab {
    padding: 6px 14px;
    border-radius: 6px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    transition: background 0.15s, color 0.15s;
}
.tab:hover { background: var(--bg-card); color: var(--text-primary); }
.tab.active { background: var(--accent); color: #fff; }

.badge {
    font-size: 12px;
    background: rgba(255,255,255,0.15);
    padding: 1px 6px;
    border-radius: 10px;
    margin-left: 4px;
}

/* Group cards grid */
.group-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 12px;
}

.group-card {
    display: block;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 16px;
    text-decoration: none;
    color: var(--text-primary);
    transition: background 0.15s, border-color 0.15s;
}
.group-card:hover {
    background: var(--bg-hover);
    border-color: var(--accent);
}
.group-card.status-done { border-left: 3px solid var(--success); }
.group-card.status-rejected { border-left: 3px solid var(--danger); }
.group-card.status-pending { border-left: 3px solid var(--text-muted); }

.group-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 4px;
}

.patient-id {
    font-family: "Consolas", "SF Mono", monospace;
    font-size: 13px;
    color: var(--text-secondary);
}

.laterality {
    font-weight: 700;
    font-size: 14px;
    padding: 2px 8px;
    border-radius: 4px;
}
.lat-L, .lat-OS { background: rgba(33, 150, 243, 0.2); color: #64b5f6; }
.lat-R, .lat-OD { background: rgba(76, 175, 80, 0.2); color: #81c784; }

.group-date {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 8px;
}

.group-meta {
    display: flex;
    gap: 12px;
    font-size: 13px;
    color: var(--text-secondary);
}

.approved-badge { color: var(--success); }

.group-reviewer {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 4px;
}

/* Registration list */
.reg-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.reg-card {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 12px 16px;
    text-decoration: none;
    color: var(--text-primary);
    transition: background 0.15s, border-color 0.15s;
    flex-wrap: wrap;
    gap: 8px;
}
.reg-card:hover {
    background: var(--bg-hover);
    border-color: var(--accent);
}
.reg-card.status-approved { border-left: 3px solid var(--success); }
.reg-card.status-rejected { border-left: 3px solid var(--danger); }
.reg-card.status-flag_manual { border-left: 3px solid var(--warning); }

.reg-card-main, .reg-card-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.pair-id { font-weight: 600; }
.ncc-score { font-family: monospace; font-size: 13px; }
.rotation { font-family: monospace; font-size: 13px; color: var(--text-secondary); }

.decision-badge {
    font-size: 12px;
    padding: 2px 8px;
    border-radius: 4px;
    text-transform: uppercase;
    font-weight: 600;
}
.decision-approved { background: rgba(76, 175, 80, 0.2); color: #81c784; }
.decision-rejected { background: rgba(244, 67, 54, 0.2); color: #ef9a9a; }
.decision-flag_manual { background: rgba(255, 152, 0, 0.2); color: #ffcc80; }

.reviewer { font-size: 12px; color: var(--text-muted); }

/* Review pages */
.review-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
    flex-wrap: wrap;
    gap: 12px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
}

.review-nav {
    display: flex;
    align-items: center;
    gap: 8px;
}

.progress-counter {
    font-size: 13px;
    color: var(--text-secondary);
    min-width: 100px;
    text-align: center;
}

.review-info {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.review-info .study-date { font-weight: 600; }

.review-actions-header {
    display: flex;
    gap: 8px;
}

/* Pair review grid */
.pair-review-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.review-column h3 {
    font-size: 15px;
    color: var(--text-secondary);
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.thumb-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 12px;
}

.thumb-wrapper {
    position: relative;
    border: 3px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    transition: border-color 0.15s, transform 0.15s;
}
.thumb-wrapper:hover { transform: scale(1.02); }
.thumb-wrapper.selected { border-color: var(--accent); }
.thumb-wrapper.approved { border-color: var(--success); }
.thumb-wrapper.rejected { border-color: var(--danger); }

.thumb {
    width: 100%;
    height: auto;
    display: block;
    aspect-ratio: 1;
    object-fit: cover;
    background: #111;
}

.thumb-label {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.7);
    color: var(--text-secondary);
    font-size: 11px;
    font-family: monospace;
    padding: 2px 6px;
    text-align: center;
}

/* Pair status panel */
.pair-status-panel {
    margin-top: 16px;
    padding: 12px;
    background: var(--bg-secondary);
    border-radius: 8px;
}

.status-hint {
    text-align: center;
    color: var(--text-secondary);
    font-size: 14px;
}

/* Overlay viewer */
.overlay-viewer {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.overlay-container {
    position: relative;
    display: inline-block;
    max-width: 100%;
}

.overlay-base {
    display: block;
    max-width: 100%;
    max-height: calc(100vh - 260px);
    border-radius: 4px;
}

.overlay-slo {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.overlay-controls {
    display: flex;
    align-items: center;
    gap: 24px;
    margin-top: 16px;
    padding: 16px 20px;
    background: var(--bg-secondary);
    border-radius: 8px;
    flex-wrap: wrap;
}

.opacity-control {
    display: flex;
    align-items: center;
    gap: 10px;
}

.opacity-control label {
    font-size: 13px;
    color: var(--text-secondary);
    white-space: nowrap;
}

#opacity-slider {
    width: 200px;
    accent-color: var(--accent);
}

#opacity-value {
    font-family: monospace;
    font-size: 13px;
    min-width: 36px;
    color: var(--text-secondary);
}

.reg-decision-buttons {
    display: flex;
    gap: 8px;
}

.keyboard-hint {
    margin-top: 8px;
    font-size: 12px;
    color: var(--text-muted);
    text-align: center;
}

/* Pagination */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
}

.page-info {
    font-size: 13px;
    color: var(--text-secondary);
}

/* Empty state */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
    font-size: 15px;
}

/* Mobile responsive */
@media (max-width: 768px) {
    .navbar { padding: 0 12px; }
    .nav-links { margin-left: 16px; gap: 0; }
    .nav-links a { padding: 12px 8px; font-size: 13px; }
    .container { padding: 12px; }

    .pair-review-grid {
        grid-template-columns: 1fr;
    }

    .thumb-grid {
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    }

    .overlay-controls {
        flex-direction: column;
        gap: 12px;
    }

    .reg-decision-buttons {
        width: 100%;
    }
    .reg-decision-buttons .btn {
        flex: 1;
        min-height: 48px;
    }

    .review-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .dashboard-header {
        flex-direction: column;
        align-items: flex-start;
    }

    #opacity-slider { width: 150px; }
}

@media (max-width: 480px) {
    .group-grid {
        grid-template-columns: 1fr;
    }
    .thumb-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}