/* ============================================================
   PICTOLOGY ANALYZER — CSS
   Scholarly theme inspired by art history publications
   ============================================================ */

:root {
    --bg-app: #f2f0ed;
    --bg-surface: #ffffff;
    --bg-surface-alt: #f6f3ef;
    --bg-sidebar: #ffffff;
    --bg-topbar: #736d68;
    --text-primary: #302c29;
    --text-secondary: #6f6964;
    --text-muted: #9c948d;
    --border: #dfd8d1;
    --border-strong: #cfc7c0;
    --primary: #736d68;
    --primary-dark: #5f5955;
    --primary-soft: #ece7e1;
    --success: #22863a;
    --success-soft: #eaf8ee;
    --warning: #d97917;
    --warning-soft: #fff3e4;
    --danger: #d64545;
    --danger-soft: #ffefef;
    --shadow-sm: 0 1px 2px rgba(16, 24, 40, 0.04);
    --shadow-md: 0 10px 24px rgba(15, 23, 42, 0.08);
    --shadow-lg: 0 20px 50px rgba(15, 23, 42, 0.12);
    --radius-sm: 10px;
    --radius-md: 16px;
    --radius-lg: 20px;
    --sidebar-width: 220px;
    --content-max: 1820px;
}

* {
    box-sizing: border-box;
}

html,
body {
    min-height: 100%;
    margin: 0;
    font-family: 'Inter', ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-feature-settings: "cv02", "cv03", "cv04", "cv11", "ss01";
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    background: var(--bg-app);
    color: var(--text-primary);
    line-height: 1.5;
}

a {
    color: inherit;
}

button,
input,
select,
textarea {
    font: inherit;
}

.shell {
    min-height: 100vh;
    position: relative;
    background:
        radial-gradient(circle at top left, rgba(177, 170, 163, 0.14) 0%, rgba(255, 255, 255, 0) 24%),
        radial-gradient(circle at top right, rgba(218, 211, 204, 0.18) 0%, rgba(255, 255, 255, 0) 28%),
        linear-gradient(180deg, #f5f2ee 0%, #ece6e0 100%);
}

.shell-topbar {
    position: sticky;
    top: 0;
    z-index: 100;
    display: grid;
    grid-template-columns: auto minmax(360px, 560px) auto auto;
    align-items: center;
    gap: 1rem;
    min-height: 72px;
    padding: 0.85rem 1.25rem;
    background: rgba(247, 243, 239, 0.9);
    border-bottom: 1px solid rgba(203, 213, 225, 0.85);
    box-shadow: 0 16px 36px rgba(15, 23, 42, 0.06);
    backdrop-filter: blur(16px);
}

.shell-brand {
    display: flex;
    align-items: center;
    gap: 0.9rem;
    color: var(--text-primary);
}

.brand-mark-wrap {
    display: flex;
    align-items: center;
    justify-content: center;
}

.brand-mark {
    width: 44px;
    height: 44px;
    border-radius: 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(180deg, #ffffff 0%, #efebe7 100%);
    color: #736d68;
    font-size: 0.85rem;
    font-weight: 800;
    letter-spacing: 0.06em;
    box-shadow: inset 0 0 0 1px rgba(211, 203, 196, 0.95), 0 10px 24px rgba(59, 51, 46, 0.09);
}

.brand-mark-logo-login {
    width: 64px;
    height: 64px;
}


.brand-mark-logo {
    width: 34px;
    height: 34px;
}

.brand-title {
    font-size: 1rem;
    font-weight: 700;
    line-height: 1.1;
}

.brand-subtitle {
    font-size: 0.72rem;
    opacity: 0.92;
}

.topbar-search {
    position: relative;
    display: flex;
    align-items: center;
}

.topbar-search-icon {
    position: absolute;
    left: 0.9rem;
    color: #8793a8;
}

.topbar-search input {
    width: 100%;
    height: 42px;
    border: 1px solid rgba(203, 213, 225, 0.95);
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.9);
    padding: 0 1rem 0 2.65rem;
    color: var(--text-primary);
    box-shadow: 0 2px 8px rgba(15, 23, 42, 0.04);
}

.topbar-search input::placeholder {
    color: #8793a8;
}

.tw-status-page {
    min-height: calc(100vh - 7rem);
}

.tw-status-card {
    max-width: 42rem;
    margin: 0 auto;
    padding: clamp(2rem, 4vw, 3rem);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.25rem;
    text-align: center;
}

.tw-status-mark {
    width: 5.75rem;
    height: 5.75rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.96) 0%, rgba(239, 235, 231, 0.96) 100%);
    box-shadow: inset 0 0 0 1px rgba(211, 203, 196, 0.95), 0 18px 38px rgba(59, 51, 46, 0.12);
}

.tw-status-icon {
    width: 3rem;
    height: 3rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    background: var(--primary-soft);
    color: var(--primary);
    box-shadow: inset 0 0 0 1px rgba(207, 199, 192, 0.85);
}

.tw-status-desc {
    max-width: 32rem;
    margin: 0 auto;
}

.tw-status-meta {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.85rem;
    line-height: 1.7;
}

.tw-status-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
}

.topbar-actions {
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.icon-btn {
    width: 36px;
    height: 36px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(203, 213, 225, 0.95);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.78);
    color: #334155;
    cursor: pointer;
    box-shadow: 0 8px 20px rgba(15, 23, 42, 0.05);
    transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease, transform 0.15s ease;
}

.icon-btn:hover {
    background: #fff;
    border-color: #d2cac3;
    color: var(--primary);
    transform: translateY(-1px);
}

.topbar-user {
    display: flex;
    align-items: center;
    justify-content: flex-end;
}

.user-avatar {
    width: 38px;
    height: 38px;
    border-radius: 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #736d68, #aaa19a);
    color: #fff;
    font-size: 0.8rem;
    font-weight: 700;
    box-shadow: 0 10px 24px rgba(59, 51, 46, 0.16);
}

.shell-body {
    display: grid;
    grid-template-columns: var(--sidebar-width) 1fr;
    min-height: calc(100vh - 48px);
}

.shell-sidebar {
    padding: 1.15rem 0.85rem 1rem;
    background: rgba(255, 255, 255, 0.72);
    border-right: 1px solid rgba(203, 213, 225, 0.75);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    backdrop-filter: blur(18px);
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 0.12rem;
}

.sidebar-label {
    margin: 1rem 0 0.4rem;
    padding: 0 0.7rem;
    color: #64748b;
    font-weight: 600;
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.nav-icon {
    width: 16px;
    flex: 0 0 16px;
    text-align: center;
    color: inherit;
}

.app-icon {
    display: inline-block;
    vertical-align: middle;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    min-height: 40px;
    padding: 0.55rem 0.7rem;
    border-radius: 14px;
    color: #475569;
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    transition: background-color 0.15s ease, color 0.15s ease, box-shadow 0.15s ease;
}

.sidebar-link:hover,
.sidebar-link.active,
.sidebar-link.active-link {
    background: linear-gradient(180deg, rgba(244, 240, 236, 0.98), rgba(236, 231, 226, 0.96));
    color: var(--primary);
    box-shadow: inset 0 0 0 1px rgba(211, 203, 196, 0.95);
}

.sidebar-label {
    font-size: 0.76rem;
    letter-spacing: 0.02em;
}

.sidebar-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    padding: 0.75rem 0.5rem 0;
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.btn-logout {
    color: var(--text-secondary);
    text-decoration: none;
}

.btn-logout:hover {
    color: var(--primary);
}

.main-content {
    width: 100%;
    max-width: none;
    margin: 0;
    padding: 1rem 1.25rem 1.5rem;
}

.sidebar-badge {
    margin-left: auto;
    min-width: 28px;
    padding: 0.1rem 0.45rem;
    border-radius: 999px;
    background: #eef2f7;
    color: var(--text-secondary);
    font-size: 0.72rem;
    font-weight: 700;
    text-align: center;
}

.sidebar-badge.subtle {
    background: var(--primary-soft);
    color: var(--primary);
}

.sidebar-footer {
    padding-top: 1rem;
    border-top: 1px solid rgba(226, 232, 240, 0.95);
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 0.5rem;
    color: var(--text-secondary);
    font-size: 0.84rem;
}

.theme-switch {
    width: 34px;
    height: 20px;
    padding: 2px;
    border-radius: 999px;
    background: #dde5ef;
    display: inline-flex;
    justify-content: flex-end;
}

.theme-switch-thumb {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: #4b5565;
}

.main-content {
    width: 100%;
    max-width: var(--content-max);
    margin: 0 auto;
    padding: 1.5rem 1.5rem 2rem;
}

.page-header,
.workflow-header,
.analyze-header,
.case-page-header,
.dashboard-hero {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1.25rem;
    margin-bottom: 1.4rem;
}

.page-header > div:first-child,
.workflow-header > div:first-child,
.analyze-header > div:first-child,
.case-page-header > div:first-child,
.dashboard-hero > div:first-child {
    display: flex;
    flex: 1 1 auto;
    min-width: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.35rem;
}

.page-header > div:first-child > .page-kicker,
.page-header > div:first-child > .mini-kicker,
.page-header > div:first-child > .case-breadcrumb,
.page-header > div:first-child > h1,
.page-header > div:first-child > .page-desc,
.page-header > div:first-child > p,
.workflow-header > div:first-child > .page-kicker,
.workflow-header > div:first-child > .mini-kicker,
.workflow-header > div:first-child > .case-breadcrumb,
.workflow-header > div:first-child > h1,
.workflow-header > div:first-child > .page-desc,
.workflow-header > div:first-child > p,
.analyze-header > div:first-child > .page-kicker,
.analyze-header > div:first-child > .mini-kicker,
.analyze-header > div:first-child > .case-breadcrumb,
.analyze-header > div:first-child > h1,
.analyze-header > div:first-child > .page-desc,
.analyze-header > div:first-child > p,
.case-page-header > div:first-child > .page-kicker,
.case-page-header > div:first-child > .mini-kicker,
.case-page-header > div:first-child > .case-breadcrumb,
.case-page-header > div:first-child > h1,
.case-page-header > div:first-child > .page-desc,
.case-page-header > div:first-child > p,
.dashboard-hero > div:first-child > .page-kicker,
.dashboard-hero > div:first-child > .mini-kicker,
.dashboard-hero > div:first-child > .case-breadcrumb,
.dashboard-hero > div:first-child > h1,
.dashboard-hero > div:first-child > .page-desc,
.dashboard-hero > div:first-child > p {
    margin: 0;
}

.page-kicker,
.mini-kicker,
.case-breadcrumb {
    margin: 0 0 0.5rem;
    color: #64748b;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.09em;
    text-transform: uppercase;
}

.page-header h1,
.workflow-header h1,
.analyze-header h1,
.case-page-header h1,
.dashboard-hero h1 {
    margin: 0;
    font-size: 1.9rem;
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.03em;
}

.page-desc,
.panel-header p,
.metric-trend,
.workflow-step-subtitle,
.workflow-draft-meta,
.status-meta,
.upload-hint,
.upload-dropzone-meta,
.case-title-cell small,
.activity-subtitle,
.section-help,
.centered-state-note,
.progress-note,
.meta,
.analysis-date,
.confidence,
.observation,
.element-finding,
.metric-key,
.metric-value,
.login-credit,
.compare-stats,
.image-info {
    color: #64748b;
    font-size: 0.95rem;
    line-height: 1.55;
}

.panel-card,
.page-surface-card,
.metric-card,
.result-card,
.info-card,
.form-section,
.checklist-section,
.analysis-summary-card,
.conclusion-card,
.observations-card,
.login-card,
.viz-display,
.raw-metric-card,
.element-category,
.compare-card,
.method-detail,
.hero,
.methods-overview,
.visualizations-overview,
.brushstroke-summary-card,
.brushstroke-method-item,
.about-content section {
    background: rgba(255, 255, 255, 0.78);
    border: 1px solid rgba(226, 232, 240, 0.95);
    border-radius: 22px;
    box-shadow: 0 16px 40px rgba(15, 23, 42, 0.05);
    backdrop-filter: blur(12px);
}

.dashboard-page,
.workflow-page,
.analyse-page,
.case-page,
.report-page {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.refined-hero,
.refined-workflow-page,
.refined-case-page,
.report-page {
    position: relative;
}

.dashboard-hero-actions,
.workflow-header-actions,
.analyze-header-actions,
.status-actions,
.form-actions,
.hero-actions,
.compare-controls {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    margin-left: auto;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.case-status-actions {
    justify-content: flex-start;
    margin-left: 0;
}

.case-action-menu {
    position: relative;
}

.case-action-menu-trigger {
    min-width: 8.5rem;
}

.case-action-menu-list {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    z-index: 20;
    min-width: 18rem;
    display: grid;
    gap: 0.25rem;
    padding: 0.5rem;
    border: 1px solid #d8cec5;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 16px 36px rgba(15, 23, 42, 0.12);
    backdrop-filter: blur(12px);
}

.case-action-menu-item {
    display: flex;
    width: 100%;
    align-items: center;
    justify-content: flex-start;
    padding: 0.4rem 0.5rem;
    border: 0;
    background: transparent;
    color: var(--text-primary);
    text-decoration: none;
    text-align: left;
    font-size: 0.85rem;
    font-weight: 200;
    cursor: pointer;
}

.case-action-menu-item:hover,
.case-action-menu-item:focus-visible {
    background: #f6f3ef;
    outline: none;
}

.case-action-menu-item:disabled {
    color: var(--text-muted);
    cursor: default;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    min-height: 42px;
    padding: 0.65rem 1.05rem;
    border-radius: 12px;
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 600;
    transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
}

.btn:hover {
    transform: translateY(-1px);
}

.btn-primary {
    background: linear-gradient(180deg, #837b75 0%, #736d68 100%);
    border-color: #736d68;
    color: #fff;
    box-shadow: 0 12px 28px rgba(59, 51, 46, 0.16);
}

.btn-primary:hover {
    background: linear-gradient(180deg, #736d68 0%, #5f5955 100%);
    border-color: #5f5955;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.82);
    border-color: #cbd5e1;
    color: var(--text-primary);
    box-shadow: 0 8px 20px rgba(15, 23, 42, 0.04);
}

.btn-secondary:hover {
    border-color: #93c5fd;
    color: var(--primary);
}

.btn-ghost {
    background: rgba(255, 255, 255, 0.55);
    border-color: rgba(226, 232, 240, 0.9);
    color: var(--text-primary);
}

.btn-ghost:hover {
    background: #fff;
}

.btn-accent {
    background: #4b84d6;
    border-color: #4b84d6;
    color: #fff;
}

.btn-full {
    width: 100%;
}

.btn-lg {
    min-height: 42px;
    padding-inline: 1.2rem;
}

.metric-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1rem;
}

.metric-card,
.dashboard-main-panel,
.queue-panel,
.activity-panel,
.workflow-steps,
.workflow-form,
.status-panel,
.score-panel,
.artwork-panel,
.findings-panel,
.techniques-panel,
.compare-surface,
.control-panel,
.results-panel {
    padding: 1.2rem;
}

.metric-card-header,
.score-panel-header,
.panel-header,
.method-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 0.75rem;
}

.panel-header.compact {
    align-items: center;
}

.panel-header h2,
.workflow-form h2,
.result-card h3,
.info-card h3,
.analyses-section h2,
.elements-results h2,
.conclusion-card h2,
.observations-card h2,
.methods-overview h2,
.visualizations-overview h2,
.method-detail h2,
.compare-card h3,
.page-surface-card h3,
.analysis-process h2,
.techniques-panel h2,
.artwork-panel h2,
.findings-panel h2 {
    margin: 0;
    font-size: 1.08rem;
    color: var(--text-primary);
}

.metric-icon {
    width: 30px;
    height: 30px;
    border-radius: 10px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.metric-icon.blue,
.metric-details.blue {
    color: var(--primary);
    background: var(--primary-soft);
}

.metric-icon.green,
.metric-details.green {
    color: var(--success);
    background: var(--success-soft);
}

.metric-icon.orange,
.metric-details.orange {
    color: var(--warning);
    background: var(--warning-soft);
}

.metric-icon.sky,
.metric-details.sky {
    color: #3178d8;
    background: #eaf3ff;
}

.metric-value-large {
    margin-top: 0.55rem;
    font-size: 2.2rem;
    font-weight: 700;
    line-height: 1;
    letter-spacing: -0.04em;
}

.metric-unit {
    margin-left: 0.08rem;
    color: var(--text-secondary);
    font-size: 0.98rem;
}

.metric-trend {
    margin-top: 0.35rem;
}

.metric-trend.positive {
    color: var(--success);
}

.metric-trend.negative {
    color: var(--danger);
}

.method-selector {
    display: grid;
    gap: 0.75rem;
}

.method-option {
    display: flex;
    align-items: flex-start;
    gap: 0.55rem;
}

.method-option input {
    margin: 0.2rem 0 0;
}

.method-name {
    flex: 1;
}

.method-status {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.options-panel summary {
    cursor: pointer;
}

.options-panel-title {
    font-size: 1.08rem;
    font-weight: 700;
    color: var(--text-primary);
}

.metric-details {
    margin-top: 0.85rem;
    border-radius: 16px;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.65rem;
    padding: 0.85rem;
}

.metric-detail {
    min-width: 0;
    padding: 0.15rem 0.2rem;
}

.metric-detail-label {
    display: block;
    margin-bottom: 0.35rem;
    color: var(--text-secondary);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.metric-detail strong {
    display: block;
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 700;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.metric-sparkline {
    margin-top: 0.85rem;
    border-radius: 16px;
    position: relative;
    overflow: hidden;
}

.metric-sparkline::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.18), rgba(255, 255, 255, 0)), linear-gradient(90deg, currentColor 0 22%, transparent 22% 30%, currentColor 30% 48%, transparent 48% 56%, currentColor 56% 78%, transparent 78%);
    opacity: 0.2;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: minmax(0, 2fr) minmax(300px, 1fr);
    gap: 1rem;
}

.bottom-grid {
    align-items: start;
}

.running-list,
.queue-list,
.activity-list,
.findings-list,
.technique-list,
.analysis-cards,
.brushstroke-method-list,
.viz-tabs,
.module-list,
.viz-list,
.elements-overview,
.methods-grid,
.raw-metrics-grid,
.method-grid {
    display: grid;
    gap: 0.9rem;
}

.running-item,
.queue-item,
.activity-item,
.finding-row,
.case-table-row,
.technique-item {
    display: grid;
    align-items: center;
    gap: 0.75rem;
}

.running-item {
    grid-template-columns: 54px minmax(0, 1.4fr) minmax(110px, 0.95fr) minmax(120px, 1fr) auto;
    padding: 0.95rem 0;
    border-top: 1px solid #edf2f8;
    cursor: pointer;
}

.running-thumb,
.compare-image,
.brushstroke-artwork-thumb,
.artwork-image img,
.artwork-stage-image,
.checklist-image img,
.viz-image-container img,
.image-preview img {
    width: 100%;
    display: block;
    object-fit: cover;
}

.running-thumb {
    width: 54px;
    height: 44px;
    border-radius: 10px;
    border: 1px solid var(--border);
}

.running-title,
.queue-title,
.activity-title,
.workflow-step-title,
.case-title-cell strong,
.technique-item-name,
.finding-label,
.process-step-title,
.method-header h2 {
    font-weight: 600;
}

.running-subtitle,
.running-stage,
.queue-subtitle,
.queue-time,
.finding-score,
.case-id,
.technique-item-index,
.process-step-subtitle,
.workflow-step-subtitle,
.image-info {
    font-size: 0.82rem;
    color: var(--text-secondary);
}

.running-progress-wrap {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.82rem;
    color: var(--text-secondary);
}

.running-progress-bar,
.finding-meter,
.progress-bar,
.element-bar {
    height: 8px;
    border-radius: 999px;
    background: #e8edf4;
    overflow: hidden;
}

.running-progress-fill,
.finding-meter-fill,
.progress-fill,
.element-bar-fill {
    height: 100%;
    border-radius: inherit;
}

.running-progress-fill,
.finding-meter-fill {
    background: linear-gradient(90deg, #2d7be6, #1f8f3a);
}

.running-link,
.panel-link,
.view-link {
    color: var(--primary);
    font-size: 0.84rem;
    font-weight: 600;
    text-decoration: none;
}

.queue-item {
    grid-template-columns: 30px minmax(0, 1fr) auto;
    padding: 0.55rem 0;
    border-top: 1px solid #edf2f8;
    cursor: pointer;
}

.queue-index,
.activity-avatar,
.workflow-step-number,
.process-step-dot,
.element-number {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #f2f5f9;
    color: var(--text-secondary);
    font-size: 0.8rem;
    font-weight: 700;
}

.case-table {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.case-table-head,
.case-table-row {
    display: grid;
    grid-template-columns: 110px minmax(0, 2fr) minmax(110px, 1fr) 110px 80px;
    gap: 0.75rem;
    align-items: center;
}

.case-table-head {
    padding: 0.2rem 0 0.45rem;
    color: var(--text-muted);
    font-size: 0.76rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.case-table-row {
    padding: 0.7rem 0;
    border-top: 1px solid #edf2f8;
    cursor: pointer;
}

.form-group input[type="text"],
.form-group input[type="search"],
.form-group input[type="password"],
.form-group textarea,
.form-group select,
.techniques-filter input {
    width: 100%;
    border: 1px solid #cbd5e1;

    color: var(--text-primary);
    min-height: 44px;
    padding: 0.72rem 0.95rem;
    font-size: 0.95rem;
    font-weight: 400;
    transition: border-color 0.15s ease, background-color 0.15s ease, box-shadow 0.15s ease;
}

.form-group input[type="text"]:focus,
.form-group input[type="search"]:focus,
.form-group input[type="password"]:focus,
.form-group textarea:focus,
.form-group select:focus,
.techniques-filter input:focus,
.form-group input[type="text"]:focus-visible,
.form-group input[type="search"]:focus-visible,
.form-group input[type="password"]:focus-visible,
.form-group textarea:focus-visible,
.form-group select:focus-visible,
.techniques-filter input:focus-visible {
    outline: none;
    border-color: #cfc7c0;
    background: #fff;
    box-shadow: 0 0 0 3px rgba(115, 109, 104, 0.12);
}

.topbar-search input {
    width: 100%;
    min-height: 34px;
    border: none;
    border-radius: 7px;
    background: #fff;
    padding: 0 1rem 0 2.45rem;
    color: var(--text-primary);
    font-size: 0.88rem;
    font-weight: 400;
    box-shadow: inset 0 0 0 1px rgba(16, 24, 40, 0.04);
}

.status-pill {
    background: #f7f9fc;
    border-color: var(--border);
    color: var(--text-secondary);
    padding-left:10px;
    padding-right:10px;
}

.status-pill.complete,
.status-pill.verified,
.quality-high,
.analysis-type-badge.ai,
.analysis-type-badge.ml {
    background: var(--success-soft);
    color: var(--success);
    border-color: #cfead6;
}

.status-pill.pending,
.quality-medium,
.analysis-type-badge.manual {
    background: var(--warning-soft);
    color: var(--warning);
    border-color: #f2d7ae;
}

.quality-low {
    background: var(--danger-soft);
    color: var(--danger);
    border-color: #f2c7c7;
}

.activity-item {
    grid-template-columns: 34px minmax(0, 1fr);
    padding: 0.35rem 0;
}

.activity-avatar {
    background: #e8f0fb;
    color: var(--primary);
}

.workflow-layout,
.case-main-grid,
.case-top-grid,
.artwork-detail,
.checklist-layout,
.results-grid,
.form-row,
.form-row-techniques,
.workflow-options,
.compare-grid,
.analyze-layout {
    display: grid;
    gap: 1rem;
}

.workflow-layout {
    grid-template-columns: 260px minmax(0, 1fr);
    align-items: start;
}

.case-wizard-shell {
    display: grid;
    gap: 1.25rem;
    padding: 1.35rem;
}

.case-wizard-steps {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 0.75rem;
    padding-bottom: 0.35rem;
    border-bottom: 1px solid #edf2f8;
}

.case-wizard-step {
    display: flex;
    align-items: flex-start;
    gap: 0.8rem;
    width: 100%;
    padding: 0.9rem 1rem;
    border: 1px solid var(--border);
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.86);
    color: var(--text-primary);
    text-align: left;
    cursor: pointer;
    transition: border-color 0.15s ease, background-color 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
}

.case-wizard-step:disabled {
    cursor: default;
    opacity: 0.72;
}

.case-wizard-step:not(:disabled):hover {
    transform: translateY(-1px);
    border-color: #d3c9c0;
}

.case-wizard-step-number {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #f4f5f7;
    border: 1px solid #dde1e6;
    color: var(--text-secondary);
    font-size: 0.82rem;
    font-weight: 700;
    flex: 0 0 30px;
}

.case-wizard-step-copy {
    display: grid;
    gap: 0.18rem;
    min-width: 0;
}

.case-wizard-step-title {
    font-size: 0.92rem;
    font-weight: 700;
    color: var(--text-primary);
}

.case-wizard-step-subtitle {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.case-wizard-step.active {
    background: linear-gradient(180deg, #f5f1ed, #eee7e0);
    border-color: #d8cec5;
    box-shadow: 0 10px 22px rgba(15, 23, 42, 0.05);
}

.case-wizard-step.active .case-wizard-step-number,
.case-wizard-step.completed .case-wizard-step-number {
    background: #fff;
    border-color: #d3c9c0;
    color: var(--primary);
}

.case-wizard-step.completed {
    border-color: #d9ddd2;
    background: linear-gradient(180deg, #f8faf7, #f0f4ee);
}

.case-wizard-panel {
    display: grid;
    gap: 1rem;
}

.case-wizard-heading {
    margin-bottom: 0.25rem;
}

.case-wizard-heading h2 {
    margin: 0;
    font-size: 1.25rem;
    color: var(--text-primary);
}

.case-wizard-heading p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.case-wizard-upload {
    min-height: 260px;
    display: grid;
    place-items: center;
}

.case-wizard-upload.upload-area-featured {
    border-color: #d8cec5;
    background: linear-gradient(180deg, #fbf8f5, #f2ebe4);
}

.case-wizard-upload.upload-area-featured:hover,
.case-wizard-upload.upload-area-featured.drag-over {
    border-color: #c9baac;
    background: linear-gradient(180deg, #f8f2ec, #ede3d9);
}

.case-wizard-upload-placeholder p:first-of-type,
.case-wizard-file-preview p:first-of-type {
    margin: 0 0 0.25rem;
    font-size: 1rem;
    color: var(--text-primary);
}

.case-wizard-options {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.case-wizard-draft-note {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    padding: 0.95rem 1rem;
    border: 1px solid var(--border);
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.82);
    color: var(--text-secondary);
}

.case-wizard-review-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
}

.case-wizard-review-card {
    padding: 1rem;
    border: 1px solid var(--border);
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.84);
}

.case-wizard-review-card h3 {
    margin: 0 0 0.65rem;
    font-size: 1rem;
}

.case-wizard-review-card p {
    margin: 0.25rem 0 0;
    color: var(--text-secondary);
    line-height: 1.55;
}

.case-wizard-footer {
    align-items: center;
}

.case-wizard-footer-meta {
    display: grid;
    gap: 0.15rem;
}

.case-wizard-footer-actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

@media (max-width: 1100px) {
    .case-wizard-steps,
    .case-wizard-options,
    .case-wizard-review-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 760px) {
    .case-wizard-shell {
        padding: 1rem;
    }

    .case-wizard-steps,
    .case-wizard-options,
    .case-wizard-review-grid {
        grid-template-columns: 1fr;
    }

    .case-wizard-footer {
        flex-direction: column;
        align-items: stretch;
        gap: 0.9rem;
    }

    .case-wizard-footer-actions {
        justify-content: stretch;
    }

    .case-wizard-footer-actions .btn {
        flex: 1 1 auto;
    }
}

.workflow-steps {
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
}

.workflow-step {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.78rem 0.8rem;
    border-radius: 12px;
    border: 1px solid transparent;
}

.workflow-step.active {
    background: linear-gradient(180deg, #f3efeb, #ebe4dd);
    border-color: #d8cec5;
}

.workflow-step.active .workflow-step-number {
    background: #fff;
    color: var(--primary);
    border: 1px solid #d3c9c0;
}

.workflow-draft-meta {
    margin-top: 0.9rem;
    padding-top: 0.9rem;
    border-top: 1px solid #edf2f8;
    display: flex;
    flex-direction: column;
    gap: 0.28rem;
}

.workflow-form form,
.login-card form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.section-heading-block {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    margin-bottom: 0.25rem;
}

.section-heading-block p {
    color: var(--text-secondary);
    font-size: 0.84rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
    color: var(--text-secondary);
}

.form-group label {
    font-size: 0.9rem;
    font-weight: 600;
    color: #334155;
}

.validation-message,
.alert-error,
.alert-success {
    border-radius: 10px;
    padding: 0.75rem 0.9rem;
    font-size: 0.85rem;
}

.alert-error {
    background: var(--danger-soft);
    border: 1px solid #f1c4c4;
    color: var(--danger);
}

.alert-success {
    background: var(--success-soft);
    border: 1px solid #b6e0c0;
    color: var(--success);
}

.case-top-grid {
    grid-template-columns: minmax(280px, 1.15fr) minmax(280px, 0.9fr);
}

.form-group textarea {
    min-height: 100px;
    resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus,
.techniques-filter input:focus,
.topbar-search input:focus {
    outline: none;
    border-color: #8fb6f0;
    box-shadow: 0 0 0 4px rgba(34, 105, 189, 0.12);
}

.form-row,
.form-row-techniques,
.workflow-options,
.results-grid,
.raw-metrics-grid,
.brushstroke-summary-grid,
.method-grid,
.compare-grid,
.methods-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.metric-grid,
.workflow-options {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.workflow-options {
    gap: 0.8rem;
}

.analysis-options {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.option-card,
.radio-card,
.element-card {
    border: 1px solid var(--border);
    border-radius: 14px;
    background: #fff;
}

.option-card {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.95rem;
    cursor: pointer;
}

.option-card.selected,
.radio-card.selected {
    background: linear-gradient(180deg, #f5f1ed, #ede6df);
    border-color: #d8cec5;
}

.workflow-form-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 1rem;
    border-top: 1px solid #edf2f8;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.upload-area,
.upload-dropzone,
.image-preview {
    position: relative;
    border: 1.5px dashed #bfd0e6;
    border-radius: 20px;
    background: linear-gradient(180deg, rgba(251, 253, 255, 0.95), rgba(244, 248, 255, 0.92));
    padding: 1.6rem 1.2rem;
    text-align: center;
    transition: border-color 0.15s ease, background-color 0.15s ease;
    overflow: hidden;
}

.upload-area input[type="file"] {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
}

.upload-area:hover,
.upload-area.drag-over,
.upload-area-featured {
    border-color: #8fb6f0;
}

.upload-area-featured {
    background: linear-gradient(180deg, #fafdff, #f4f8ff);
}

.case-detail-upload {
    position: relative;
}

.case-detail-upload-input {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
    z-index: 2;
}

.case-detail-upload-active {
    border-color: #8fb6f0;
    background: linear-gradient(180deg, #fafdff, #f4f8ff);
}

.upload-icon,
.file-icon,
.empty-icon,
.login-icon,
.centered-state-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 0.55rem;
    font-size: 1.45rem;
}

.file-preview,
.upload-placeholder {
    color: var(--text-secondary);
}

.validation-message,
.alert-error,
.alert-success {
    margin-top: 10px;
    border-radius: 12px;
    padding: 0.8rem 0.95rem;
    font-size: 0.85rem;
}

.alert-error {
    margin-top:10px;
    background: var(--danger-soft);
    border: 1px solid #efc3c3;
    color: var(--danger);
}

.alert-success {
    margin-top: 10px;
    background: var(--success-soft);
    border: 1px solid #cde8d4;
    color: var(--success);
}

.case-top-grid {
    grid-template-columns: minmax(320px, 1.15fr) minmax(280px, 0.9fr);
}

.case-main-grid {
    grid-template-columns: minmax(0, 1.24fr) minmax(0, 1fr) minmax(280px, 0.88fr);
    align-items: start;
}

.status-title {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    margin: 0.35rem 0;
    font-size: 1rem;
    font-weight: 700;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--success);
}

.status-ai-btn {
    margin-top: 0.75rem;
    text-align: center;
}

.process-step.complete .process-step-dot {
    background: var(--success);
    color: #fff;
}

.process-step-title {
    font-size: 0.84rem;
    font-weight: 700;
}

.score-panel-body {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    margin-top: 0.85rem;
}

.score-ring {
    --score: 0;
    width: 126px;
    height: 126px;
    border-radius: 50%;
    background: conic-gradient(var(--success) calc(var(--score) * 1%), #e8eef5 0);
    display: grid;
    place-items: center;
    box-shadow: inset 0 0 0 1px rgba(15, 23, 42, 0.04);
}

.score-ring-center {
    width: 92px;
    height: 92px;
    border-radius: 50%;
    background: #fff;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    box-shadow: inset 0 0 0 1px rgba(15, 23, 42, 0.04);
}

.score-ring-center strong {
    font-size: 1.55rem;
}

.score-ring-center span,
.score-details span {
    font-size: 0.76rem;
    color: var(--text-secondary);
}

.score-details {
    display: grid;
    gap: 0.58rem;
    flex: 1;
}

.score-details div,
.artwork-meta-strip div {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 1rem;
}

.score-details strong,
.artwork-meta-strip strong {
    font-size: 0.9rem;
}

.artwork-stage {
    position: relative;
    margin-top: 0.75rem;
    border-radius: 16px;
    overflow: hidden;
    background: #f0eee7;
    border: 1px solid var(--border);
}

.artwork-stage-badge {
    position: absolute;
    top: 0.85rem;
    left: 0.85rem;
    z-index: 1;
    padding: 0.32rem 0.6rem;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.94);
    box-shadow: var(--shadow-sm);
    font-size: 0.75rem;
    font-weight: 600;
}

.capture-tabs,
.technique-tags,
.compare-viz-tabs {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.capture-tabs,
.technique-tags {
    margin-top: 0.85rem;
}

.capture-tab,
.viz-tab,
.technique-tag,
.mini-tab {
    border: 1px solid var(--border);
    border-radius: 9px;
    background: #fff;
    color: var(--text-secondary);
    padding: 0.4rem 0.72rem;
    font-size: 0.8rem;
    cursor: pointer;
    transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.capture-tab.active,
.viz-tab.active,
.technique-tag.active,
.mini-tab.active {
    background: var(--primary-soft);
    border-color: #cfe0fb;
    color: var(--primary);
    font-weight: 600;
}

.compact-dropzone {
    margin-top: 0.9rem;
}

.upload-dropzone-meta {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    margin-top: 0.4rem;
}

.analysis-process {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid #edf2f8;
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 0.75rem;
    margin-top: 0.9rem;
}

.process-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.45rem;
    text-align: center;
}

.process-step.complete .process-step-dot {
    background: var(--success);
    color: #fff;
}

.artwork-meta-strip,
.case-notes-block {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid #edf2f8;
}

.artwork-meta-strip {
    display: grid;
    gap: 0.6rem;
}

.artwork-meta-strip span {
    color: var(--text-secondary);
    font-size: 0.78rem;
}

.case-notes-block h3 {
    margin: 0 0 0.45rem;
    font-size: 0.95rem;
}

.case-notes-block p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.finding-row {
    grid-template-columns: 40px minmax(0, 1fr) minmax(90px, 1fr) 42px;
    padding: 0.55rem 0;
    border-top: 1px solid #edf2f8;
    cursor: pointer;
}

.finding-meter-fill {
    background: linear-gradient(90deg, #22863a, #2e92d8);
}

.techniques-filter {
    margin-top: 0.75rem;
}

.technique-list {
    margin-top: 0.85rem;
    max-height: 560px;
    overflow: auto;
    padding-right: 0.2rem;
}

.technique-item {
    grid-template-columns: 32px minmax(0, 1fr) auto;
    padding: 0.48rem 0;
    border-top: 1px solid #edf2f8;
    font-size: 0.84rem;
}

.technique-item input {
    accent-color: var(--primary);
}

.report-header,
.ml-report-page .page-header {
    margin-bottom: 0.4rem;
}

.report-page {
    display: grid;
    gap: 1rem;
}

.report-header {
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 0;
}

.report-header .page-desc {
    margin: 0;
}


.meta,
.analysis-date,
.confidence,
.observation,
.element-finding,
.category-header,
.login-credit {
    color: var(--text-secondary);
    font-size: 0.84rem;
}

.verdict-authentic {
    background: var(--success-soft);
    border: 1px solid #cfead6;
}

.verdict-doubtful {
    background: var(--warning-soft);
    border: 1px solid #f2d7ae;
}

.verdict-fake {
    background: var(--danger-soft);
    border: 1px solid #efc3c3;
}

.verdict-banner {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    gap: 1.5rem;
    align-items: center;
    padding: 1.4rem 1.5rem;
    border-radius: 20px;
    box-shadow: var(--shadow-sm);
}

.verdict-score {
    display: flex;
    align-items: baseline;
    gap: 0.25rem;
    min-width: 0;
}

.verdict-text {
    min-width: 0;
}

.verdict-text h2 {
    margin: 0 0 0.35rem;
    font-size: 1.5rem;
    color: var(--text-primary);
}

.verdict-text p {
    margin: 0;
    color: var(--text-secondary);
}

.big-score {
    font-size: 2.4rem;
    font-weight: 700;
    line-height: 1;
}

.score-unit,
.bar-label,
.score-label {
    color: var(--text-secondary);
    font-size: 0.8rem;
}

.report-metrics-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: stretch;
}

.report-card-accent {
    position: relative;
    overflow: hidden;
}

.report-card-accent::before {
    content: "";
    position: absolute;
    inset: 0 auto 0 0;
    width: 4px;
    background: linear-gradient(180deg, #9a8f85, #5f5955);
}

.report-metric-card {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    min-height: 100%;
    padding: 1.1rem 1.1rem 1.1rem 1.25rem;
    border: 1px solid var(--border);
    border-radius: 18px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(248, 244, 240, 0.94));
    box-shadow: var(--shadow-sm);
}

.report-card-header,
.report-bar-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
}

.report-card-header {
    min-height: 2rem;
}

.report-bar-pair {
    flex-direction: column;
    gap: 0.85rem;
}

.report-bar-item {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0.4rem;
}

.report-bar-item-single {
    gap: 0.6rem;
}

.bar-value {
    color: var(--text-primary);
    font-size: 0.88rem;
    font-weight: 700;
}

.bar-value.large {
    font-size: 1rem;
}

.bar-verdict,
.totaliteit-desc,
.rhythm-desc {
    margin: 0;
    color: var(--text-secondary);
    line-height: 1.55;
}

.verdict-positive,
.verdict-negative {
    font-weight: 600;
}

.verdict-positive {
    color: var(--success);
}

.verdict-negative {
    color: var(--danger);
}

.progress-bar.large,
.progress-bar-standalone {
    height: 12px;
}

.progress-fill.positive,
.score-high {
    background: linear-gradient(90deg, #22a34a, #22863a);
}

.progress-fill.negative,
.score-low {
    background: linear-gradient(90deg, #eb6a6a, #d64545);
}

.progress-fill.neutral,
.score-mid {
    background: linear-gradient(90deg, #efb54a, #d97917);
}

.rhythm-result {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 0;
}

.elements-results,
.report-elements-results {
    padding: 1.05rem 1rem;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
}

.category-header {
    margin: 1rem 0 0.55rem;
    color: var(--text-secondary);
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.element-results-list {
    display: grid;
    gap: 0;
}

.element-result-row {
    display: grid;
    grid-template-columns: 32px minmax(120px, 220px) 1fr 54px;
    gap: 0.65rem;
    align-items: center;
    padding: 0.52rem 0;
    border-bottom: 1px solid #edf2f8;
}

.report-element-row {
    grid-template-columns: 32px minmax(180px, 280px) minmax(160px, 1fr) 54px;
    gap: 0.9rem;
    align-items: start;
    padding: 0.9rem 0;
}

.element-num,
.element-score {
    align-self: center;
}

.element-main {
    display: grid;
    gap: 0.35rem;
    min-width: 0;
}

.element-name {
    font-weight: 600;
    color: var(--text-primary);
}

.element-finding {
    grid-column: auto;
    font-style: italic;
    line-height: 1.55;
}

.report-elements-results h2 {
    margin-bottom: 0.35rem;
}

.report-elements-results .category-header:first-of-type {
    margin-top: 0.8rem;
}

.report-elements-results .element-bar {
    align-self: center;
    margin-top: 0.2rem;
}

.conclusion-card,
.observations-card {
    padding: 1.25rem 1.3rem;
    border: 1px solid var(--border);
    border-radius: 22px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(247, 243, 239, 0.94));
    box-shadow: var(--shadow-sm);
}

.conclusion-card h2,
.observations-card h2 {
    margin-bottom: 0.85rem;
}

.conclusion-card p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.7;
}

.observations-card {
    display: grid;
    gap: 0.9rem;
}

.observation {
    position: relative;
    margin: 0;
    padding: 0 0 0 1.15rem;
    color: var(--text-secondary);
    font-size: 0.98rem;
    line-height: 1.65;
}

.observation::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.72rem;
    width: 0.38rem;
    height: 0.38rem;
    border-radius: 50%;
    background: var(--primary);
    transform: translateY(-50%);
}

.disclaimer {
    margin: 0;
    padding: 1.15rem 1.2rem;
    border: 1px solid var(--border);
    border-radius: 20px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(244, 239, 234, 0.9));
    box-shadow: var(--shadow-sm);
    color: var(--text-secondary);
}

.disclaimer p {
    margin: 0;
    font-size: 1rem;
    line-height: 1.65;
}

@media (max-width: 960px) {
    .report-metrics-grid {
        grid-template-columns: 1fr;
    }

    .report-element-row {
        grid-template-columns: 32px minmax(0, 1fr) 72px;
    }

    .report-elements-results .element-bar {
        grid-column: 2 / -1;
        margin-top: 0;
    }
}

@media (max-width: 720px) {
    .report-header {
        flex-direction: column;
        align-items: stretch;
    }

    .verdict-banner {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }

    .report-card-header,
    .report-bar-meta {
        align-items: flex-start;
        flex-direction: column;
    }

    .report-element-row {
        grid-template-columns: 32px minmax(0, 1fr);
    }

    .element-score {
        grid-column: 2;
    }

    .report-elements-results .element-bar {
        grid-column: 2;
    }
}

.checklist-page .checklist-layout {
    grid-template-columns: 300px minmax(0, 1fr);
    align-items: start;
    gap: 1.2rem;
}

.refined-checklist-layout {
    display: grid;
}

.checklist-form {
    display: grid;
    gap: 1rem;
}

.checklist-section {
    padding: 1.15rem 1.2rem;
    border: 1px solid rgba(226, 232, 240, 0.72);
    border-radius: 22px;
    background: rgba(255, 255, 255, 0.9);
    box-shadow: 0 8px 22px rgba(15, 23, 42, 0.03);
}

.checklist-section h2 {
    margin: 0 0 0.85rem;
    font-size: 1.08rem;
    color: var(--text-primary);
}

.section-heading-block {
    display: grid;
    gap: 0.35rem;
    margin-bottom: 0.9rem;
}

.section-heading-block p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.55;
}

.checklist-image {
    position: sticky;
    top: 70px;
    overflow: hidden;
}

.checklist-image-body {
    padding: 1rem;
}

.checklist-image-body h3 {
    margin: 0 0 0.35rem;
    font-size: 1.35rem;
}

.checklist-image-body p {
    margin: 0 0 0.85rem;
    color: var(--text-secondary);
}

.refined-element-card {
    padding: 0.9rem 0;
    border:none;
}

.refined-element-card:first-of-type {
    border-top: 0;
    padding-top: 0.15rem;
}

.element-header {
    align-items: flex-start;
}

.element-header > div {
    display: grid;
    gap: 0.15rem;
    min-width: 0;
}

.element-name-en {
    color: var(--text-secondary);
    font-size: 0.92rem;
}

.element-desc {
    margin: 0.55rem 0 0;
    font-size: 0.93rem;
    line-height: 1.6;
}

.element-checklist {
    display: grid;
    gap: 0.22rem;
    margin-top: 0.55rem;
}

.checklist-hint {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
}

.refined-element-input {
    margin-top: 0.75rem;
    align-items: center;
}

.refined-element-input input[type="range"] {
    flex: 1 1 auto;
}

.refined-element-input input[type="text"] {
    flex: 1.1 1 320px;
    background: rgba(255, 255, 255, 0.82);
    border-color: rgba(207, 199, 192, 0.82);
    box-shadow: none;
}

.check-item {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    padding: 0.45rem 0.2rem;
    border-radius: 8px;
    color: var(--text-secondary);
    transition: background-color 0.15s ease, color 0.15s ease;
}

.check-item:hover {
    background: rgba(116, 109, 104, 0.05);
}

.check-item.checked {
    color: var(--success);
}

.check-item.warning.checked {
    color: var(--danger);
}

.check-item input[type="checkbox"] {
    accent-color: var(--primary);
}

.radio-card {
    display: flex;
    align-items: flex-start;
    gap: 0.8rem;
    padding: 0.9rem 1rem;
    border: 1px solid rgba(223, 216, 209, 0.75);
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.84);
    transition: border-color 0.15s ease, background-color 0.15s ease, box-shadow 0.15s ease;
}

.radio-card.selected {
    background: rgba(245, 241, 237, 0.92);
    border-color: rgba(183, 174, 166, 0.95);
    box-shadow: 0 4px 14px rgba(15, 23, 42, 0.04);
}

.radio-card input[type="radio"] {
    accent-color: var(--primary);
}

.rhythm-options {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.9rem;
}

.radio-card p {
    margin: 0.35rem 0 0;
    color: var(--text-secondary);
    line-height: 1.6;
}

.element-header,
.element-input,
.analysis-header-row,
.analysis-scores-row,
.ml-header-info,
.bar-item,
.artwork-meta,
.bar-pair {
    display: flex;
    gap: 0.75rem;
}

.element-header,
.element-input,
.analysis-header-row,
.ml-header-info,
.bar-item,
.artwork-meta {
    align-items: center;
}

.element-input input[type="range"] {
    flex: 1;
    accent-color: var(--primary);
    min-width: 0;
}

.element-input input[type="text"] {
    width: 100%;
    min-width: 0;
    padding: 0.72rem 0.85rem;
    border: 1px solid var(--border-strong);
    border-radius: 10px;
}

.score-display {
    min-width: 3.25rem;
    color: var(--primary);
    font-weight: 700;
    text-align: center;
    font-size: 1rem;
}

.checklist-page .form-actions {
    justify-content: flex-end;
}

@media (max-width: 960px) {
    .checklist-page .checklist-layout {
        grid-template-columns: 1fr;
    }

    .checklist-image {
        position: static;
    }

    .rhythm-options {
        grid-template-columns: 1fr;
    }

    .refined-element-input {
        flex-wrap: wrap;
    }

    .refined-element-input input[type="text"] {
        flex-basis: 100%;
    }
}

.ml-progress {
    text-align: center;
    padding: 3rem 2rem;
}

.progress-spinner {
    width: 46px;
    height: 46px;
    margin: 0 auto 1rem;
    border: 4px solid #dfe7f1;
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.progress-spinner-sm {
    width: 30px;
    height: 30px;
    border-width: 3px;
}

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

.module-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.module-item {
    padding: 0.55rem 0.85rem;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: #fff;
    text-align: center;
}

.module-item.active {
    border-color: #cfe0fb;
    background: var(--primary-soft);
    color: var(--primary);
}

.viz-display {
    padding: 1rem;
    min-height: 320px;
}

.viz-image-container {
    cursor: zoom-in;
    text-align: center;
}

.viz-image-container img {
    max-width: 100%;
    max-height: 520px;
    border-radius: 12px;
    border: 1px solid var(--border);
}

.viz-image-container.expanded img {
    max-height: none;
}

.viz-description,
.viz-unavailable,
.method-detail p,
.method-details p,
.hero .lead,
.viz-item,
.about-content p,
.element-desc,
.disclaimer,
.centered-state-card p {
    color: var(--text-secondary);
}

.centered-state-card {
    padding: 2rem;
    text-align: center;
}

.centered-state-card h3 {
    margin-bottom: 0.5rem;
}

.raw-metrics-grid {
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}

.raw-metric-card h4 {
    margin: 0 0 0.75rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid #edf2f8;
    font-size: 0.95rem;
}

.metric-table {
    width: 100%;
    border-collapse: collapse;
}

.metric-table td {
    padding: 0.32rem 0.2rem;
    border-bottom: 1px solid #edf2f8;
}

.metric-key,
.metric-value {
    font-family: Consolas, 'Courier New', monospace;
    font-size: 0.8rem;
}

.metric-value {
    text-align: right;
}

.save-analysis-card {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.evidence-card.positive-evidence {
    border-left: 4px solid var(--success);
}

.evidence-card.negative-evidence {
    border-left: 4px solid var(--danger);
}

.analyze-layout {
    grid-template-columns: minmax(320px, 360px) minmax(0, 1fr);
    align-items: start;
}

.control-panel,
.results-panel,
.compare-surface {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.compare-surface {
    padding: 1rem;
}

.compare-grid,
.refined-compare-grid,
.methods-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.compare-card {
    padding: 1rem;
}

.compare-image {
    border-radius: 12px;
    border: 1px solid var(--border);
    margin-top: 0.75rem;
}

.compare-stats {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    margin-top: 0.75rem;
}

.methods-grid {
    align-items: start;
}

.method-detail {
    padding: 1rem;
}

.method-details {
    display: grid;
    gap: 0.4rem;
    margin-top: 0.85rem;
}

.method-details h3 {
    margin: 0.4rem 0 0;
    font-size: 0.84rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.login-container,
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.refined-login-card {
    width: 100%;
    max-width: 460px;
    padding: 2.5rem 2.35rem 2.2rem;
    border: 1px solid rgba(255, 255, 255, 0.8);
    border-radius: 24px;
    box-shadow: 0 28px 60px rgba(15, 23, 42, 0.12), 0 8px 18px rgba(15, 23, 42, 0.05);
    backdrop-filter: blur(10px);
}

.login-brand-mark {
    width: 72px;
    height: 72px;
    margin: 0 auto 1.1rem;
    border-radius: 22px;
    display: grid;
    place-items: center;
    background: linear-gradient(180deg, #ffffff 0%, #efebe7 100%);
    box-shadow: inset 0 0 0 1px rgba(211, 203, 196, 0.9), 0 10px 25px rgba(59, 51, 46, 0.09);
}

.login-header {
    text-align: center;
    margin-bottom: 1.8rem;
}

.login-header h1 {
    margin: 0 0 0.5rem;
    font-size: 1.85rem;
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.03em;
    color: #0f172a;
}

.login-brand-logo {
    width: 42px;
    height: 42px;
}

.login-credit {
    max-width: 30ch;
    margin: 0 auto;
    font-size: 0.98rem;
    line-height: 1.55;
    color: #475569;
}

.login-card form {
    gap: 1.15rem;
}

.login-page .form-group {
    gap: 0.55rem;
}

.login-page .form-group label {
    font-size: 0.9rem;
    font-weight: 600;
    color: #334155;
}

.login-page .form-group input[type="text"],
.login-page .form-group input[type="password"] {
    min-height: 48px;
    padding: 0.8rem 1rem;
    border-radius: 12px;
    border: 1px solid #cbd5e1;
    background: rgba(248, 250, 252, 0.92);
    color: #0f172a;
    font-size: 0.98rem;
    font-weight: 400;
    letter-spacing: normal;
    transition: border-color 0.15s ease, background-color 0.15s ease, box-shadow 0.15s ease;
}

.login-page .form-group input[type="text"]::placeholder,
.login-page .form-group input[type="password"]::placeholder {
    color: #94a3b8;
}

.login-page .form-group input[type="text"]:focus,
.login-page .form-group input[type="password"]:focus {
    border-color: #aaa19a;
    background: #fff;
    box-shadow: 0 0 0 4px rgba(170, 161, 154, 0.18);
}

.login-page .btn {
    min-height: 48px;
    border-radius: 12px;
    font-size: 0.98rem;
    font-weight: 600;
}

.login-page .btn-primary {
    background: linear-gradient(180deg, #837b75 0%, #736d68 100%);
    border-color: #736d68;
    box-shadow: 0 12px 26px rgba(59, 51, 46, 0.16);
}

.login-page .btn-primary:hover {
    background: linear-gradient(180deg, #736d68 0%, #5f5955 100%);
    border-color: #1d4ed8;
}

.login-page .alert-error {
    margin-bottom: 1rem;
    border-radius: 14px;
    font-size: 0.9rem;
}

@media (max-width: 640px) {
    .login-container,
    .login-page {
        padding: 1rem;
    }

    .refined-login-card {
        max-width: 100%;
        padding: 2rem 1.25rem 1.5rem;
        border-radius: 20px;
    }

    .login-header h1 {
        font-size: 1.55rem;
    }
}

.tw-markdown table {
    width: 100%;
    margin: 1rem 0;
    border-collapse: collapse;
    border: 1px solid var(--border);
    border-radius: 14px;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.95);
}

.tw-markdown thead {
    background: rgba(115, 109, 104, 0.08);
}

.tw-markdown th,
.tw-markdown td {
    padding: 0.7rem 0.85rem;
    border-bottom: 1px solid rgba(223, 216, 209, 0.85);
    border-right: 1px solid rgba(223, 216, 209, 0.7);
    text-align: left;
    vertical-align: top;
    font-size: 0.92rem;
}

.tw-markdown th:last-child,
.tw-markdown td:last-child {
    border-right: 0;
}

.tw-markdown tbody tr:last-child td {
    border-bottom: 0;
}

.case-chat-finding-notebook {
    border-style: dashed;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(246, 243, 239, 0.92));
}

.case-chat-finding-title-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
}

.case-chat-finding-edit-btn {
    border: 0;
    background: transparent;
    color: var(--primary);
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
}

.case-chat-finding-edit-btn:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

.case-chat-finding-editor {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
    margin-top: 0.85rem;
}

.case-chat-finding-textarea {
    min-height: 16rem;
    resize: vertical;
    font-family: Consolas, 'Courier New', monospace;
    line-height: 1.6;
}

.case-chat-finding-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.case-chat-finding-body {
    margin-top: 0.75rem;
}

.case-chat-finding-body > :first-child {
    margin-top: 0;
}

.case-chat-agents-panel {
    margin-top: 1rem;
}

.case-chat-agents-disclosure > summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    cursor: pointer;
    list-style: none;
}

.case-chat-agents-disclosure > summary::-webkit-details-marker {
    display: none;
}

.case-chat-disclosure-indicator {
    font-size: 1.5rem;
    color: var(--primary);
    transition: transform 0.18s ease;
}

.case-chat-agents-disclosure[open] .case-chat-disclosure-indicator {
    transform: rotate(180deg);
}

.case-chat-agents-disclosure .case-chat-agents {
    margin-top: 1rem;
}

@media (max-width: 640px) {
    .case-chat-finding-title-row,
    .case-chat-agents-disclosure > summary {
        align-items: flex-start;
        flex-direction: column;
    }

    .tw-markdown table {
        display: block;
        overflow-x: auto;
        white-space: nowrap;
    }
}

.about-content {
    max-width: 980px;
}

.refined-about-content {
    display: grid;
    gap: 1rem;
}

.elements-overview {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.element-category {
    padding: 1rem;
}

.element-category h4 {
    margin: 0 0 0.45rem;
}

.hero,
.methods-overview,
.visualizations-overview {
    padding: 1rem;
}

.method-grid {
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
}

.tag {
    display: inline-flex;
    align-items: center;
    padding: 0.22rem 0.56rem;
    border-radius: 999px;
    background: #eff4fb;
    color: var(--primary);
    font-size: 0.75rem;
    font-weight: 600;
}

.viz-list {
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
}

.viz-item {
    padding: 0.8rem 0.9rem;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: #fff;
}

.disclaimer {
    padding: 0.95rem 1rem;
    border: 1px solid var(--border);
    border-radius: 14px;
    background: #fff;
}

.empty-state {
    padding: 2.8rem 1.6rem;
    text-align: center;
}

.compact-empty {
    padding: 1rem 0;
}

.loading {
    padding: 2rem;
    color: var(--text-secondary);
}

@media (max-width: 1200px) {
    .metric-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .case-main-grid,
    .dashboard-grid,
    .workflow-layout,
    .analyze-layout,
    .checklist-layout,
    .case-top-grid {
        grid-template-columns: 1fr;
    }

    .process-steps {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

@media (max-width: 980px) {
    .shell-body {
        grid-template-columns: 1fr;
    }

    .shell-sidebar {
        display: none;
    }

    .shell-topbar {
        grid-template-columns: 1fr;
        justify-items: stretch;
    }

    .main-content {
        padding: 1rem;
    }

    .report-metrics-grid,
    .results-grid,
    .form-row,
    .form-row-techniques,
    .workflow-options,
    .module-list,
    .elements-overview {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 760px) {
    .page-header,
    .workflow-header,
    .analyze-header,
    .case-page-header,
    .dashboard-hero,
    .score-panel-body,
    .workflow-form-footer,
    .panel-header,
    .metric-card-header,
    .bar-item,
    .analysis-header-row,
    .status-actions,
    .dashboard-hero-actions,
    .workflow-header-actions {
        flex-direction: column;
        align-items: flex-start;
    }
    .analyze-header-actions {
        flex-direction: column;
        align-items: flex-start;
    }
    .case-table-head,
    .case-table-row,
    .running-item,
    .finding-row,
    .queue-item,
    .technique-item,
    .element-result-row,
    .compare-grid,
    .methods-grid,
    .metric-grid,
    .process-steps {
        grid-template-columns: 1fr;
    }

    .upload-dropzone-meta,
    .compare-stats {
        flex-direction: column;
        align-items: flex-start;
    }

    .score-ring {
        margin-inline: auto;
    }
}

/* ============================================================
   Image preview & full-screen overlay (ImagePreview.razor)
   ============================================================ */

.aia-image-preview-thumb {
    cursor: zoom-in;
    transition: transform 120ms ease, box-shadow 120ms ease;
}

.aia-image-preview-thumb:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.aia-image-overlay {
    position: fixed;
    inset: 0;
    z-index: 2000;
    background: rgba(15, 15, 18, 0.92);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    animation: aia-image-overlay-fade 120ms ease-out;
}

@keyframes aia-image-overlay-fade {
    from { opacity: 0; }
    to   { opacity: 1; }
}

.aia-image-overlay-stage {
    position: absolute;
    inset: 0;
    overflow: hidden;
    touch-action: none;
    user-select: none;
    -webkit-user-select: none;
}

.aia-image-overlay-deepzoom {
    background: #111;
}

.aia-image-overlay-deepzoom .openseadragon-canvas {
    outline: none;
}

.aia-image-overlay-img {
    position: absolute;
    top: 50%;
    left: 50%;
    max-width: 96vw;
    max-height: 96vh;
    transform-origin: center center;
    will-change: transform;
    user-select: none;
    -webkit-user-drag: none;
    pointer-events: auto;
}

.aia-image-overlay-toolbar {
    position: absolute;
    bottom: 1.25rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid rgba(255, 255, 255, 0.4);
    border-radius: 9999px;
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(6px);
}

.aia-image-overlay-btn {
    appearance: none;
    border: 1px solid var(--border);
    background: #ffffff;
    color: var(--text-primary);
    width: 2.25rem;
    height: 2.25rem;
    border-radius: 9999px;
    font-size: 1rem;
    line-height: 1;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: background 120ms ease, color 120ms ease, border-color 120ms ease;
}

.aia-image-overlay-btn:hover {
    background: var(--primary-soft);
    border-color: var(--border-strong);
    color: var(--primary-dark);
}

.aia-image-overlay-btn:active {
    transform: translateY(1px);
}

.aia-image-overlay-close {
    background: var(--primary);
    color: #ffffff;
    border-color: var(--primary-dark);
}

.aia-image-overlay-close:hover {
    background: var(--primary-dark);
    color: #ffffff;
}

.aia-image-overlay-deepzoom-toggle {
    font-size: 0.5rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    line-height: 1.1;
    background: var(--surface);
    color: var(--primary);
    border-color: var(--primary);
}

.aia-image-overlay-deepzoom-toggle:hover {
    background: var(--primary);
    color: #ffffff;
}

.aia-image-overlay-meta {
    min-width: 3.25rem;
    text-align: center;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    font-variant-numeric: tabular-nums;
}

.aia-image-overlay-btn-active {
    background: var(--primary);
    color: #ffffff;
    border-color: var(--primary-dark);
}

.aia-image-overlay-btn-active:hover {
    background: var(--primary-dark);
    color: #ffffff;
    border-color: var(--primary-dark);
}

/* ============================================================
   VIRTUAL MEASUREMENT OVERLAY (deep zoom + compare viewer)
   ============================================================ */

.aia-measure-svg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 30;
    overflow: visible;
    display: none;
}

.aia-measure-line {
    stroke: #f6b48a;
    stroke-width: 2;
    stroke-linecap: round;
    filter: drop-shadow(0 0 1.5px rgba(0, 0, 0, 0.85));
}

.aia-measure-dot {
    fill: #ffffff;
    stroke: rgba(0, 0, 0, 0.65);
    stroke-width: 1.5;
    filter: drop-shadow(0 0 1.5px rgba(0, 0, 0, 0.7));
}

.aia-measure-label {
    position: absolute;
    z-index: 32;
    transform: translate(12px, -50%);
    padding: 0.2rem 0.55rem;
    border-radius: 0.45rem;
    background: rgba(28, 25, 23, 0.9);
    color: #ffffff;
    font-size: 0.78rem;
    font-weight: 600;
    line-height: 1.2;
    white-space: nowrap;
    pointer-events: none;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.45);
    font-variant-numeric: tabular-nums;
    display: none;
}

.aia-measure-hint {
    position: absolute;
    z-index: 32;
    top: 0.75rem;
    left: 50%;
    transform: translateX(-50%);
    padding: 0.3rem 0.75rem;
    border-radius: 9999px;
    background: rgba(28, 25, 23, 0.82);
    color: #ffffff;
    font-size: 0.78rem;
    font-weight: 500;
    white-space: nowrap;
    pointer-events: none;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
    display: none;
}

.aia-measure-capture {
    position: absolute;
    inset: 0;
    z-index: 31;
    cursor: crosshair;
    touch-action: none;
    display: none;
}

/* ============================================================
   SYNCHRONIZED COMPARE VIEWER
   ============================================================ */

.synced-viewer-page {
    display: flex;
    flex-direction: column;
    height: 100vh;
    background: #111;
    overflow: hidden;
}

/* Toolbar */
.synced-viewer-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.5rem 1rem;
    background: rgba(247, 243, 239, 0.95);
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(8px);
    z-index: 20;
    flex-shrink: 0;
    min-height: 3rem;
}

.synced-viewer-toolbar-left,
.synced-viewer-toolbar-right {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-shrink: 0;
}

.synced-viewer-toolbar-center {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    background: rgba(0, 0, 0, 0.04);
    border-radius: 8px;
    padding: 0.2rem;
}

.synced-viewer-toolbar-title {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 280px;
}

.synced-viewer-back-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.8rem;
    padding: 0.3rem 0.65rem;
}

.synced-viewer-layout-btn {
    appearance: none;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.35rem 0.65rem;
    border: 1px solid transparent;
    border-radius: 6px;
    background: transparent;
    color: var(--text-secondary);
    font-size: 0.78rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 120ms ease;
}

.synced-viewer-layout-btn:hover {
    background: rgba(0, 0, 0, 0.06);
    color: var(--text-primary);
}

.synced-viewer-layout-btn-active {
    background: #fff;
    color: var(--text-primary);
    border-color: var(--border);
    box-shadow: var(--shadow-sm);
}

.synced-viewer-layout-icon {
    display: inline-flex;
    align-items: center;
    line-height: 1;
}

.synced-viewer-count-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 1.25rem;
    height: 1.25rem;
    border-radius: 9999px;
    background: var(--primary);
    color: #fff;
    font-size: 0.7rem;
    font-weight: 600;
    margin-left: 0.35rem;
}

/* Image selector panel */
.synced-viewer-selector {
    background: rgba(247, 243, 239, 0.98);
    border-bottom: 1px solid var(--border);
    padding: 0.75rem 1rem;
    z-index: 15;
    flex-shrink: 0;
    overflow-x: auto;
    animation: synced-viewer-slide-down 200ms ease-out;
}

@keyframes synced-viewer-slide-down {
    from { opacity: 0; transform: translateY(-8px); }
    to   { opacity: 1; transform: translateY(0); }
}

.synced-viewer-selector-inner {
    max-width: 1400px;
    margin: 0 auto;
}

.synced-viewer-selector-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 0.5rem;
}

.synced-viewer-selector-group {
    margin-top: 0.5rem;
}

.synced-viewer-selector-group:first-of-type {
    margin-top: 0;
}

.synced-viewer-selector-group-title {
    margin-bottom: 0.35rem;
}

.synced-viewer-selector-grid {
    display: flex;
    gap: 0.5rem;
    overflow-x: auto;
    padding-bottom: 0.25rem;
}

.synced-viewer-selector-item {
    appearance: none;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    border: 2px solid var(--border);
    border-radius: 8px;
    background: #fff;
    cursor: pointer;
    overflow: hidden;
    width: 110px;
    flex-shrink: 0;
    transition: border-color 120ms ease, box-shadow 120ms ease;
}

.synced-viewer-selector-item:hover {
    border-color: var(--border-strong);
    box-shadow: var(--shadow-sm);
}

.synced-viewer-selector-item-active {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(115, 109, 104, 0.25);
}

.synced-viewer-selector-item-notiles {
    opacity: 0.7;
}

.synced-viewer-selector-thumb {
    position: relative;
    display: block;
    aspect-ratio: 1;
    overflow: hidden;
    background: #f0ede9;
}

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

.synced-viewer-selector-check {
    position: absolute;
    top: 4px;
    right: 4px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
}

.synced-viewer-selector-notile-badge {
    position: absolute;
    bottom: 4px;
    left: 4px;
    padding: 1px 5px;
    border-radius: 3px;
    background: rgba(0, 0, 0, 0.6);
    color: #fff;
    font-size: 9px;
    font-weight: 600;
}

.synced-viewer-selector-meta {
    display: flex;
    flex-direction: column;
    padding: 0.3rem 0.4rem;
    gap: 1px;
}

.synced-viewer-selector-type {
    font-size: 0.65rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
}

.synced-viewer-selector-name {
    font-size: 0.7rem;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Viewer stage */
.synced-viewer-stage {
    flex: 1;
    min-height: 0;
    position: relative;
}

.synced-viewer-container {
    width: 100%;
    height: 100%;
    position: relative;
}

/* Pane */
.synced-viewer-pane {
    position: relative;
    overflow: hidden;
    background: #111;
}

.synced-viewer-label {
    position: absolute;
    top: 8px;
    left: 8px;
    z-index: 10;
    padding: 3px 10px;
    background: rgba(0, 0, 0, 0.65);
    color: #fff;
    font-size: 0.72rem;
    font-weight: 600;
    border-radius: 4px;
    pointer-events: none;
    backdrop-filter: blur(4px);
    max-width: calc(100% - 16px);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.synced-viewer-osd {
    width: 100%;
    height: 100%;
}

.synced-viewer-osd .openseadragon-canvas {
    outline: none;
}

/* Layout: side-by-side */
.synced-viewer-layout-side-by-side {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2px;
}

/* Layout: four-pane */
.synced-viewer-layout-four-pane {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: 2px;
}

/* Layout: three-pane */
.synced-viewer-layout-three-pane {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 2px;
}

/* Layout: single */
.synced-viewer-layout-single {
    display: grid;
    grid-template-columns: 1fr;
}

/* Layout: curtain (overlay) */
.synced-viewer-layout-curtain {
    position: relative;
}

.synced-viewer-pane-curtain-base {
    position: absolute;
    inset: 0;
    z-index: 1;
}

.synced-viewer-pane-curtain-overlay {
    position: absolute;
    inset: 0;
    z-index: 2;
    clip-path: inset(0 0 0 50%);
}

.synced-viewer-pane-curtain-overlay .synced-viewer-label {
    left: auto;
    right: 8px;
}

/* Curtain divider */
.synced-viewer-curtain-divider {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 4px;
    margin-left: -2px;
    background: rgba(255, 255, 255, 0.6);
    z-index: 10;
    cursor: col-resize;
    transition: background 120ms ease;
}

.synced-viewer-curtain-divider:hover,
.synced-viewer-dragging .synced-viewer-curtain-divider {
    background: rgba(255, 255, 255, 0.9);
}

.synced-viewer-curtain-handle {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.92);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
}

.synced-viewer-curtain-handle::before {
    content: '⇔';
    font-size: 14px;
    color: var(--text-primary);
}

.synced-viewer-dragging {
    user-select: none;
    -webkit-user-select: none;
}

/* Pane toolbar — matches aia-image-overlay-toolbar style */
.synced-viewer-pane-toolbar {
    position: absolute;
    bottom: 0.75rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.35rem 0.6rem;
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid rgba(255, 255, 255, 0.4);
    border-radius: 9999px;
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(6px);
}

.synced-viewer-pane-btn {
    appearance: none;
    border: 1px solid var(--border);
    background: #ffffff;
    color: var(--text-primary);
    width: 2rem;
    height: 2rem;
    border-radius: 9999px;
    font-size: 0.95rem;
    line-height: 1;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: background 120ms ease, color 120ms ease, border-color 120ms ease;
}

.synced-viewer-pane-btn:hover {
    background: var(--primary-soft);
    border-color: var(--border-strong);
    color: var(--primary-dark);
}

.synced-viewer-pane-btn:active {
    transform: translateY(1px);
}

.synced-viewer-pane-meta {
    min-width: 2.75rem;
    text-align: center;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    font-variant-numeric: tabular-nums;
}


/* === Case Studio (Case 2.0 — agentic chat-first workspace) ================ */

.case-studio-badge {
    display: inline-flex;
    align-items: center;
    margin-left: 0.4rem;
    padding: 0.1rem 0.55rem;
    border-radius: 9999px;
    background: linear-gradient(120deg, var(--primary), var(--primary-dark));
    color: #ffffff;
    font-size: 0.62em;
    font-weight: 600;
    letter-spacing: 0.06em;
    vertical-align: middle;
    box-shadow: var(--shadow-sm);
}

.case-studio-hero {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(246, 243, 239, 0.9));
}

.case-studio-hero-inner {
    max-width: 40rem;
    margin: 0 auto;
    padding: 1.5rem 0.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.6rem;
    text-align: center;
}

.case-studio-hero-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 3.25rem;
    height: 3.25rem;
    border-radius: 9999px;
    background: var(--primary-soft);
    color: var(--primary-dark);
    box-shadow: var(--shadow-sm);
}

.case-studio-hero-form {
    display: flex;
    gap: 0.6rem;
    width: 100%;
    max-width: 34rem;
    margin-top: 0.75rem;
}

    .case-studio-hero-form .tw-input {
        flex: 1;
    }

.case-studio-recent {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(15rem, 1fr));
    gap: 1rem;
}

.case-studio-recent-card {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    padding: 0.9rem 1rem;
    border: 1px solid var(--border);
    background: var(--bg-surface-alt);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-sm);
    text-decoration: none;
    color: var(--text-primary);
    transition: border-color 120ms ease, box-shadow 120ms ease, transform 120ms ease;
}

    .case-studio-recent-card:hover {
        border-color: var(--border-strong);
        box-shadow: var(--shadow-md);
        transform: translateY(-1px);
    }

.case-studio-grid {
    display: grid;
    gap: 1rem;
    align-items: start;
}

@media (min-width: 1280px) {
    .case-studio-grid {
        grid-template-columns: minmax(0, 7fr) minmax(24rem, 5fr);
    }
}

.case-studio-chat {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.case-studio-thread {
    min-height: 46vh;
    max-height: 62vh;
}

.case-studio-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.55rem;
    padding: 2.4rem 1.5rem;
    text-align: center;
    border: 1px dashed var(--border-strong);
    background: rgba(255, 255, 255, 0.65);
}

.case-studio-activity {
    margin-top: 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.case-studio-activity-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.78rem;
    color: var(--text-secondary);
}

.case-studio-activity-err {
    color: var(--danger);
}

.case-studio-activity-dot {
    width: 0.45rem;
    height: 0.45rem;
    border-radius: 9999px;
    background: var(--primary);
    animation: case-chat-pulse 1.2s infinite ease-in-out both;
    flex-shrink: 0;
}

.case-studio-activity-dot-done {
    animation: none;
    background: var(--success);
}

.case-studio-bubble-images {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.case-studio-bubble-image {
    display: inline-flex;
    flex-direction: column;
    gap: 0.25rem;
    padding: 0.35rem;
    border: 1px solid var(--border);
    background: var(--bg-surface);
    border-radius: var(--radius-sm);
    font-size: 0.72rem;
    color: var(--text-secondary);
    max-width: 9rem;
}

    .case-studio-bubble-image img {
        width: 100%;
        height: 5.5rem;
        object-fit: cover;
        border-radius: calc(var(--radius-sm) - 4px);
    }

.case-studio-attachments {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.case-studio-attachment-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.3rem 0.6rem;
    border: 1px solid var(--border);
    background: var(--bg-surface-alt);
    border-radius: 9999px;
    font-size: 0.78rem;
    color: var(--text-primary);
}

.case-studio-attachment-name {
    max-width: 14rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-weight: 500;
}

.case-studio-attachment-chip button {
    border: 0;
    background: transparent;
    color: var(--text-muted);
    font-size: 1rem;
    line-height: 1;
    cursor: pointer;
    padding: 0 0.1rem;
}

    .case-studio-attachment-chip button:hover {
        color: var(--danger);
    }

.case-studio-attach-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.4rem 0.8rem;
    border: 1px dashed var(--border-strong);
    border-radius: 9999px;
    background: var(--bg-surface);
    color: var(--text-secondary);
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    transition: border-color 120ms ease, color 120ms ease, background 120ms ease;
}

    .case-studio-attach-btn:hover {
        border-color: var(--primary);
        color: var(--primary-dark);
        background: var(--primary-soft);
    }

    .case-studio-attach-btn input[type="file"] {
        display: none;
    }

.case-studio-attach-btn-disabled {
    opacity: 0.5;
    pointer-events: none;
}

.case-studio-notebook {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    position: sticky;
    top: 1rem;
    max-height: calc(100vh - 2rem);
    overflow-y: auto;
}

.case-studio-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border);
}

.case-studio-tab {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.4rem 0.85rem;
    border: 1px solid transparent;
    border-radius: 9999px;
    background: transparent;
    color: var(--text-secondary);
    font-size: 0.82rem;
    font-weight: 500;
    cursor: pointer;
    transition: background 120ms ease, color 120ms ease, border-color 120ms ease;
}

    .case-studio-tab span {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        min-width: 1.3rem;
        padding: 0 0.3rem;
        height: 1.3rem;
        border-radius: 9999px;
        background: var(--bg-surface-alt);
        font-size: 0.68rem;
        font-weight: 600;
        color: var(--text-muted);
    }

    .case-studio-tab:hover {
        color: var(--text-primary);
        background: var(--bg-surface-alt);
    }

.case-studio-tab-active {
    border-color: var(--border-strong);
    background: var(--primary-soft);
    color: var(--primary-dark);
}

    .case-studio-tab-active span {
        background: #ffffff;
        color: var(--primary-dark);
    }

.case-studio-panel {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.case-studio-panel-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 0.75rem;
}

.case-studio-panel-title {
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
}

.case-studio-row-actions {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    flex-shrink: 0;
}

.case-studio-delete-btn {
    border: 0;
    background: transparent;
    color: var(--text-muted);
    font-size: 0.78rem;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
}

    .case-studio-delete-btn:hover {
        color: var(--danger);
        text-decoration: underline;
    }

.case-studio-artworks {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.case-studio-artwork-card {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.6rem;
    border: 1px solid var(--border);
    background: var(--bg-surface);
    border-radius: var(--radius-sm);
}

.case-studio-artwork-thumb {
    flex-shrink: 0;
    width: 4.25rem;
    height: 4.25rem;
    border-radius: calc(var(--radius-sm) - 4px);
    overflow: hidden;
    background: var(--bg-surface-alt);
}

    .case-studio-artwork-thumb img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

.case-studio-artwork-meta {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    min-width: 0;
    flex: 1;
    font-size: 0.85rem;
}

    .case-studio-artwork-meta strong {
        color: var(--text-primary);
        font-size: 0.86rem;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

.case-studio-chip-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.3rem;
}

.case-studio-documents,
.case-studio-analyses {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.case-studio-document-row,
.case-studio-analysis-row {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.6rem 0.8rem;
    border: 1px solid var(--border);
    background: var(--bg-surface);
    border-radius: var(--radius-sm);
}

.case-studio-analysis-conclusion {
    font-size: 0.78rem;
    color: var(--text-secondary);
    line-height: 1.45;
    white-space: normal;
}

.case-studio-analysis-side {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.35rem;
    flex-shrink: 0;
}

.case-studio-score {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 2.4rem;
    height: 2.4rem;
    border-radius: 9999px;
    background: var(--primary-soft);
    color: var(--primary-dark);
    font-weight: 700;
    font-size: 0.9rem;
    font-variant-numeric: tabular-nums;
}

.case-studio-dossier-form {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

@media (max-width: 900px) {
    .case-studio-hero-form {
        flex-direction: column;
    }

    .case-studio-notebook {
        position: static;
        max-height: none;
    }
}