/* Modules overview and module workspace shell */

.single-placeholder[data-page="module-detail"] {
width: 100%;
max-width: none;
}

.modules-overview-page {
    gap: 18px;
}

.modules-overview-hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding: 24px;
    border-radius: 28px;
    background: linear-gradient(135deg, rgba(255,255,255,0.94), rgba(240, 247, 255, 0.78));
}

.modules-overview-hero h2 {
    margin: 6px 0 0;
    font-size: clamp(30px, 4vw, 48px);
    line-height: 1;
    letter-spacing: -0.06em;
}

.modules-overview-hero p {
    margin: 10px 0 0;
    max-width: 720px;
    color: var(--muted-strong);
    line-height: 1.5;
}

.modules-current-panel {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding: 22px;
    border-radius: 26px;
    background: linear-gradient(135deg, rgba(255,255,255,0.94), rgba(236, 249, 243, 0.78));
}

.modules-current-panel h3 {
    margin: 4px 0 0;
    font-size: 30px;
    line-height: 1;
    letter-spacing: -0.055em;
}

.modules-current-panel p {
    margin: 8px 0 0;
    color: var(--muted-strong);
}

.modules-current-actions,
.modules-card-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.modules-overview-section {
    display: grid;
    gap: 12px;
}

.modules-section-head h3 {
    margin: 3px 0 0;
    font-size: 22px;
    letter-spacing: -0.04em;
}

.modules-card-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
}

.modules-card-grid.compact {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.modules-card {
    min-height: 210px;
    padding: 17px;
    border-radius: 22px;
    background: rgba(255, 255, 255, 0.82);
    border: 1px solid rgba(255, 255, 255, 0.72);
    box-shadow: 0 14px 30px rgba(15, 23, 42, 0.06);
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.modules-card.is-built {
    background: linear-gradient(180deg, rgba(255,255,255,0.94), rgba(241, 247, 255, 0.82));
}

.modules-card-top {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
}

.modules-card h4 {
    margin: 0;
    font-size: 22px;
    letter-spacing: -0.05em;
}

.modules-card-top p,
.modules-card-copy {
    margin: 5px 0 0;
    color: var(--muted-strong);
    font-size: 13px;
    line-height: 1.45;
}

.modules-status {
    flex: 0 0 auto;
    padding: 7px 9px;
    border-radius: 999px;
    background: rgba(100, 116, 139, 0.10);
    color: var(--muted-strong);
    font-size: 11px;
    font-weight: 900;
}

.modules-status.current {
    background: rgba(10, 132, 255, 0.10);
    color: var(--accent-strong);
}

.modules-status.completed {
    background: rgba(52, 199, 89, 0.12);
    color: #15703d;
}

.modules-status.available {
    background: rgba(124, 58, 237, 0.10);
    color: #5b21b6;
}

.modules-topic-hint {
    padding: 10px 11px;
    border-radius: 14px;
    background: rgba(10, 132, 255, 0.08);
    color: var(--accent-strong);
    font-size: 12px;
    font-weight: 800;
    line-height: 1.35;
}

.modules-card-actions {
    margin-top: auto;
}

.modules-card-action,
.modules-card-link {
    display: inline-flex;
    align-items: center;
    min-height: 34px;
    padding: 8px 11px;
    border-radius: 999px;
    border: 1px solid rgba(15, 23, 42, 0.07);
    background: rgba(255, 255, 255, 0.78);
    color: var(--accent-strong);
    font-size: 12px;
    font-weight: 850;
}

.modules-card-action:disabled {
    color: var(--muted);
    cursor: not-allowed;
    background: rgba(15, 23, 42, 0.04);
}

.modules-empty-state {
    padding: 18px;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.72);
    border: 1px solid rgba(15, 23, 42, 0.06);
    color: var(--muted-strong);
    font-size: 14px;
}

.module-workspace {
    display: grid;
    gap: 22px;
}

.module-workspace-hero {
    padding: 30px;
    border-radius: 30px;
    background: linear-gradient(180deg, rgba(255,255,255,0.95), rgba(245,248,252,0.88));
    border: 1px solid rgba(255, 255, 255, 0.72);
    box-shadow: var(--shadow-lg);
}

.module-workspace-meta {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 16px;
}

.module-meta-pill {
    display: inline-flex;
    align-items: center;
    padding: 9px 13px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.78);
    border: 1px solid rgba(15, 23, 42, 0.06);
    color: var(--muted-strong);
    font-size: 13px;
    font-weight: 700;
}

.module-workspace-title {
    margin: 12px 0 0;
    font-size: clamp(34px, 5vw, 56px);
    line-height: 0.98;
    letter-spacing: -0.06em;
}

.module-workspace-subtitle {
    margin: 12px 0 0;
    color: var(--muted-strong);
    font-size: 18px;
    line-height: 1.45;
}

.module-workspace-overview {
    margin: 18px 0 0;
    max-width: 760px;
    color: var(--muted);
    font-size: 15px;
    line-height: 1.6;
}

.module-workspace-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.subject-workspace {
    display: grid;
    gap: 18px;
    margin: 18px 0 22px;
}

.subject-shell {
    padding: 22px;
    border-radius: 28px;
    background: linear-gradient(180deg, rgba(255,255,255,0.98), rgba(246,248,252,0.92));
    box-shadow: 0 20px 38px rgba(15, 23, 42, 0.06);
}

.subject-shell-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}

.subject-shell-head h3 {
    margin: 4px 0 0;
    font-size: 28px;
    letter-spacing: -0.05em;
}

.subject-shell-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.subject-shell-actions[hidden] {
    display: none;
}

.subject-breadcrumbs {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: 8px;
    color: var(--muted);
    font-size: 13px;
}

.subject-breadcrumbs button {
    width: auto;
    padding: 0;
    background: transparent;
    color: var(--muted-strong);
    box-shadow: none;
    border: none;
    font-size: 13px;
    font-weight: 700;
}

.subject-breadcrumbs button:hover,
.subject-breadcrumbs button:focus-visible {
    transform: none;
    text-decoration: underline;
    background: transparent;
}

.subject-card-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
    margin-top: 18px;
}

.subject-nav-card {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px;
    border-radius: 22px;
    border: 1px solid rgba(15, 23, 42, 0.05);
    background: rgba(255,255,255,0.82);
    color: var(--text);
    text-align: left;
    cursor: pointer;
    transition: transform 0.22s ease, box-shadow 0.22s ease, background 0.22s ease, border-color 0.22s ease;
}

.subject-nav-card:hover,
.subject-nav-card:focus-visible {
    transform: translateY(-2px);
    box-shadow: 0 16px 30px rgba(15, 23, 42, 0.08);
    background: rgba(255,255,255,0.96);
}

.subject-nav-card.active {
    border-color: rgba(10, 132, 255, 0.16);
    background: linear-gradient(180deg, rgba(240,247,255,0.98), rgba(232,242,255,0.88));
    box-shadow: 0 18px 30px rgba(10, 132, 255, 0.08);
}

.subject-nav-icon {
    width: 42px;
    height: 42px;
    border-radius: 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(15, 23, 42, 0.05);
    color: var(--muted-strong);
    font-size: 15px;
    font-weight: 800;
    letter-spacing: -0.03em;
    flex-shrink: 0;
}

.subject-nav-card.active .subject-nav-icon {
    background: rgba(10, 132, 255, 0.14);
    color: var(--accent-strong);
}

.subject-nav-label {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.subject-nav-label strong {
    font-size: 15px;
    letter-spacing: -0.02em;
}

.subject-nav-label span {
    color: var(--muted);
    font-size: 12px;
}

.subject-topic-panel {
    padding: 22px;
    border-radius: 28px;
    background: rgba(255,255,255,0.9);
    box-shadow: 0 18px 32px rgba(15, 23, 42, 0.05);
}

.subject-topic-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 18px;
}

.subject-topic-header h3 {
    margin: 4px 0 0;
    font-size: 28px;
    letter-spacing: -0.05em;
}

.subject-topic-header p {
    margin: 0;
    color: var(--muted);
    font-size: 14px;
}

.subject-topic-groups {
    display: grid;
    gap: 12px;
}

.subject-topic-group {
    border-radius: 22px;
    background: rgba(248, 250, 252, 0.88);
    border: 1px solid rgba(15, 23, 42, 0.04);
    overflow: hidden;
}

.subject-topic-group summary {
    list-style: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 16px 18px;
    font-size: 15px;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.subject-topic-group summary::-webkit-details-marker {
    display: none;
}

.subject-topic-group summary span {
    color: var(--muted);
    font-size: 12px;
    font-weight: 700;
}

.subject-topic-list {
    display: grid;
    gap: 8px;
    padding: 0 18px 18px;
}

.subject-topic-item {
    padding: 12px 14px;
    border-radius: 16px;
    background: rgba(255,255,255,0.86);
    color: var(--text);
    font-size: 14px;
}

.subject-topic-button {
    width: 100%;
    padding: 12px 14px;
    border: none;
    border-radius: 16px;
    background: rgba(255,255,255,0.92);
    color: var(--text);
    font-size: 14px;
    text-align: left;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.subject-topic-button:hover,
.subject-topic-button:focus-visible {
    transform: translateY(-1px);
    box-shadow: 0 12px 24px rgba(15, 23, 42, 0.08);
    background: rgba(255,255,255,1);
}

.topic-detail-panel {
    padding: 22px;
    border-radius: 28px;
    background: rgba(255,255,255,0.92);
    box-shadow: 0 18px 32px rgba(15, 23, 42, 0.05);
}

.topic-detail-meta {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin: 12px 0 18px;
}

.topic-detail-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
    margin-top: 18px;
}

.topic-detail-card {
    padding: 18px;
    border-radius: 22px;
    background: rgba(248, 250, 252, 0.9);
    border: 1px solid rgba(15, 23, 42, 0.04);
}

.topic-detail-card h4 {
    margin: 8px 0 8px;
    font-size: 18px;
    letter-spacing: -0.03em;
}

.topic-detail-card p {
    margin: 0;
    color: var(--muted);
    font-size: 14px;
    line-height: 1.55;
}

.topic-workspace-page {
    display: grid;
    gap: 18px;
    margin: 18px 0 22px;
}

.topic-workspace-hero {
    padding: 26px;
    border-radius: 32px;
    background: linear-gradient(180deg, rgba(255,255,255,0.98), rgba(246,248,252,0.92));
    box-shadow: 0 22px 40px rgba(15, 23, 42, 0.06);
}

.topic-workspace-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}

.topic-workspace-title {
    margin: 10px 0 0;
    font-size: clamp(40px, 5vw, 62px);
    letter-spacing: -0.06em;
    line-height: 0.95;
}

.topic-workspace-copy {
    max-width: 760px;
    color: var(--muted);
    font-size: 16px;
    line-height: 1.6;
    margin: 18px 0 0;
}

.topic-workspace-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.topic-breadcrumbs {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: 12px;
    color: var(--muted);
    font-size: 13px;
}

.topic-breadcrumbs button {
    width: auto;
    padding: 0;
    background: transparent;
    color: var(--muted-strong);
    box-shadow: none;
    border: none;
    font-size: 13px;
    font-weight: 700;
}

.topic-breadcrumbs button:hover,
.topic-breadcrumbs button:focus-visible {
    transform: none;
    text-decoration: underline;
    background: transparent;
}

.topic-workspace-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.topic-section-card {
    padding: 22px;
    border-radius: 28px;
    background: rgba(255,255,255,0.92);
    box-shadow: 0 18px 32px rgba(15, 23, 42, 0.05);
}

.topic-section-card.full-width {
    grid-column: 1 / -1;
}

.topic-section-card h3 {
    margin: 10px 0 10px;
    font-size: 28px;
    letter-spacing: -0.04em;
}

.topic-section-card p {
    margin: 0;
    color: var(--muted);
    font-size: 15px;
    line-height: 1.65;
}

.topic-stack {
    display: grid;
    gap: 14px;
    margin-top: 18px;
}

.topic-callout {
    padding: 16px 18px;
    border-radius: 20px;
    background: linear-gradient(180deg, rgba(240,247,255,0.95), rgba(233,241,252,0.9));
    border: 1px solid rgba(10, 132, 255, 0.12);
}

.topic-callout strong {
    display: block;
    margin-bottom: 6px;
    font-size: 13px;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--accent-strong);
}

.topic-bullet-list {
    display: grid;
    gap: 10px;
    margin-top: 16px;
}

.topic-bullet-item {
    padding: 14px 16px;
    border-radius: 18px;
    background: rgba(248, 250, 252, 0.88);
    color: var(--text);
    font-size: 14px;
    line-height: 1.55;
}

.topic-bullet-item strong {
    display: block;
    margin-bottom: 4px;
    font-size: 15px;
    letter-spacing: -0.02em;
}

.topic-columns {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
    margin-top: 18px;
}

.topic-mini-card {
    padding: 18px;
    border-radius: 22px;
    background: rgba(248, 250, 252, 0.9);
    border: 1px solid rgba(15, 23, 42, 0.04);
}

.topic-mini-card h4 {
    margin: 0 0 10px;
    font-size: 18px;
    letter-spacing: -0.03em;
}

.topic-mini-card ul,
.topic-section-card ul {
    margin: 0;
    padding-left: 18px;
    color: var(--muted);
    display: grid;
    gap: 8px;
    font-size: 14px;
    line-height: 1.55;
}

.topic-compare-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 18px;
    overflow: hidden;
    border-radius: 22px;
    background: rgba(248, 250, 252, 0.9);
}

.topic-compare-table th,
.topic-compare-table td {
    padding: 14px 16px;
    text-align: left;
    vertical-align: top;
    border-bottom: 1px solid rgba(15, 23, 42, 0.05);
    font-size: 14px;
    line-height: 1.5;
}

.topic-compare-table th {
    font-size: 12px;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--muted-strong);
    background: rgba(255,255,255,0.7);
}

.topic-compare-table tr:last-child td {
    border-bottom: none;
}

.high-yield-callout {
    padding: 20px 22px;
    border-radius: 24px;
    background: linear-gradient(180deg, rgba(240,247,255,0.98), rgba(233,241,252,0.92));
    border: 1px solid rgba(10, 132, 255, 0.12);
    box-shadow: 0 16px 28px rgba(10, 132, 255, 0.06);
}

.high-yield-callout-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 10px;
}

.high-yield-callout-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--accent-strong);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.high-yield-callout-tag {
    display: inline-flex;
    align-items: center;
    padding: 7px 11px;
    border-radius: 999px;
    background: rgba(255,255,255,0.82);
    border: 1px solid rgba(10, 132, 255, 0.08);
    color: var(--accent-strong);
    font-size: 12px;
    font-weight: 700;
}

.high-yield-callout p {
    margin: 0;
    color: var(--text);
    font-size: 16px;
    line-height: 1.72;
    font-weight: 560;
}

.module-workspace-card {
    padding: 24px;
    border-radius: 28px;
    background: var(--surface-strong);
    border: 1px solid rgba(255, 255, 255, 0.68);
    box-shadow: var(--shadow-md);
    transition: transform 0.22s ease, box-shadow 0.22s ease;
}

.module-workspace-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.module-workspace-card h3 {
    margin: 10px 0 8px;
    font-size: 24px;
    letter-spacing: -0.04em;
}

.module-workspace-card p {
    margin: 0;
    color: var(--muted);
    font-size: 14px;
    line-height: 1.6;
}

#hoad-saved-assessments[hidden] {
    display: none;
}

.hoad-saved-assessment-list {
    margin-top: 18px;
    display: grid;
    gap: 14px;
}

.hoad-saved-assessment-card {
    padding: 18px;
    border-radius: 22px;
    background: rgba(248, 250, 252, 0.9);
    border: 1px solid rgba(15, 23, 42, 0.05);
    box-shadow: 0 12px 28px rgba(15, 23, 42, 0.06);
    transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.hoad-saved-assessment-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 18px 34px rgba(15, 23, 42, 0.1);
}

.hoad-saved-assessment-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
}

.hoad-saved-assessment-head strong {
    display: block;
    font-size: 17px;
    line-height: 1.35;
    letter-spacing: -0.02em;
    color: #111827;
}

.hoad-saved-assessment-meta {
    margin-top: 8px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.hoad-saved-assessment-meta span {
    display: inline-flex;
    align-items: center;
    padding: 8px 12px;
    border-radius: 999px;
    background: rgba(255,255,255,0.92);
    border: 1px solid rgba(15, 23, 42, 0.05);
    color: #475569;
    font-size: 12px;
    font-weight: 700;
}

.hoad-saved-assessment-actions {
    margin-top: 16px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.hoad-saved-assessment-actions .button {
    width: auto;
}

.hoad-saved-assessment-empty {
    margin-top: 18px;
    padding: 16px 18px;
    border-radius: 20px;
    background: rgba(248, 250, 252, 0.9);
    border: 1px solid rgba(15, 23, 42, 0.05);
    color: #64748b;
    font-size: 14px;
    line-height: 1.6;
}

.analytics-card {
    grid-column: 1 / -1;
}

.analytics-dropdown {
    padding: 0;
    overflow: hidden;
}

.analytics-dropdown > summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 20px 22px;
    cursor: pointer;
    list-style: none;
}

.analytics-dropdown > summary::-webkit-details-marker {
    display: none;
}

.analytics-dropdown > summary strong {
    display: block;
    margin-top: 4px;
    color: var(--text);
    font-size: 22px;
    letter-spacing: -0.04em;
}

.analytics-dropdown-cue {
    flex: 0 0 auto;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 72px;
    min-height: 34px;
    padding: 8px 12px;
    border-radius: 999px;
    background: rgba(10, 132, 255, 0.08);
    color: var(--accent-strong);
    font-size: 12px;
    font-weight: 800;
}

.analytics-dropdown[open] .analytics-dropdown-cue {
    background: rgba(15, 23, 42, 0.06);
    color: #475569;
}

.analytics-dropdown[open] .analytics-dropdown-cue::before {
    content: "Close";
}

.analytics-dropdown[open] .analytics-dropdown-cue {
    font-size: 0;
}

.analytics-dropdown[open] .analytics-dropdown-cue::before {
    font-size: 12px;
}

.analytics-dropdown-body {
    padding: 0 22px 22px;
}

.analytics-topbar {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
    margin-top: 14px;
}

.analytics-context-strip {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 14px;
}

.analytics-context-chip {
    display: inline-flex;
    align-items: center;
    min-height: 30px;
    padding: 7px 11px;
    border-radius: 999px;
    background: linear-gradient(135deg, rgba(10, 132, 255, 0.1), rgba(99, 102, 241, 0.08));
    border: 1px solid rgba(10, 132, 255, 0.14);
    color: #1d4ed8;
    font-size: 12px;
    font-weight: 750;
}

.analytics-context-chip.muted {
    background: rgba(248, 250, 252, 0.96);
    border-color: rgba(15, 23, 42, 0.08);
    color: #64748b;
}

.analytics-summary-grid {
    margin-top: 18px;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
}

.analytics-summary-card {
    padding: 14px;
    border-radius: 18px;
    background: rgba(248, 250, 252, 0.92);
    border: 1px solid rgba(15, 23, 42, 0.05);
}

.analytics-summary-card strong {
    display: block;
    font-size: 22px;
    letter-spacing: -0.04em;
}

.analytics-summary-card span {
    display: block;
    margin-top: 4px;
    color: var(--muted);
    font-size: 12px;
}

.analytics-note {
    margin-top: 14px;
    color: var(--muted);
    font-size: 13px;
    line-height: 1.55;
}

.analytics-list {
    margin-top: 18px;
    display: grid;
    gap: 12px;
}

.analytics-focus-card {
    margin-top: 18px;
    padding: 22px;
    border-radius: 26px;
    background: rgba(255, 255, 255, 0.82);
    border: 1px solid rgba(15, 23, 42, 0.06);
    box-shadow: var(--shadow-md);
}

.analytics-focus-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 14px;
    flex-wrap: wrap;
}

.analytics-focus-head h4 {
    margin: 0;
    font-size: 28px;
    letter-spacing: -0.05em;
}

.analytics-difficulty {
    margin-top: 8px;
    color: var(--muted-strong);
    font-size: 13px;
    font-weight: 700;
}

.analytics-primary-grid {
    margin-top: 18px;
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.9fr);
    gap: 14px;
}

.analytics-primary-stat,
.analytics-secondary-stat,
.analytics-box {
    position: relative;
    padding: 16px;
    border-radius: 20px;
    background: rgba(248, 250, 252, 0.92);
    border: 1px solid rgba(15, 23, 42, 0.05);
}

.analytics-primary-stat strong,
.analytics-secondary-stat strong {
    display: block;
    font-size: 36px;
    letter-spacing: -0.05em;
}

.analytics-primary-stat span,
.analytics-secondary-stat span,
.analytics-box span {
    display: block;
    margin-top: 4px;
    color: var(--muted);
    font-size: 12px;
    font-weight: 600;
}

.analytics-pill-row,
.analytics-box-row {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    margin-top: 14px;
}

.analytics-metric-pill {
    position: relative;
    padding: 14px 16px;
    border-radius: 999px;
    background: rgba(10, 132, 255, 0.08);
    border: 1px solid rgba(10, 132, 255, 0.12);
}

.analytics-metric-pill strong,
.analytics-box strong {
    display: block;
    font-size: 18px;
    letter-spacing: -0.03em;
}

.analytics-visual {
    margin-top: 18px;
}

.analytics-range-track {
    position: relative;
    height: 12px;
    border-radius: 999px;
    background: rgba(17, 19, 24, 0.08);
    overflow: visible;
}

.analytics-range-band {
    position: absolute;
    top: 0;
    bottom: 0;
    border-radius: 999px;
    background: linear-gradient(90deg, rgba(10,132,255,0.18), rgba(10,132,255,0.42));
}

.analytics-marker {
    position: absolute;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: white;
    border: 2px solid rgba(15, 23, 42, 0.18);
    box-shadow: 0 6px 14px rgba(15, 23, 42, 0.14);
}

.analytics-marker.mean {
    border-color: rgba(10, 132, 255, 0.56);
}

.analytics-marker.median {
    border-color: rgba(52, 199, 89, 0.56);
}

.analytics-marker.user {
    border-color: rgba(52, 199, 89, 0.9);
    background: rgba(52, 199, 89, 0.96);
}

.analytics-marker-labels {
    margin-top: 10px;
    display: flex;
    justify-content: space-between;
    gap: 12px;
    color: var(--muted);
    font-size: 12px;
}

.analytics-compare-score {
    margin-top: 18px;
    padding: 18px;
    border-radius: 22px;
    background: rgba(248, 250, 252, 0.92);
    border: 1px solid rgba(15, 23, 42, 0.05);
}

.analytics-compare-score h5 {
    margin: 0 0 12px;
    font-size: 16px;
    letter-spacing: -0.02em;
}

.analytics-score-value {
    display: block;
    font-size: 30px;
    font-weight: 800;
    letter-spacing: -0.05em;
}

.analytics-score-label {
    margin-top: 6px;
    color: var(--muted-strong);
    font-size: 13px;
    font-weight: 700;
}

.analytics-percentile {
    margin-top: 8px;
    color: var(--muted);
    font-size: 12px;
    line-height: 1.5;
}

.analytics-tooltip-anchor {
    position: relative;
    cursor: help;
}

.analytics-tooltip-anchor::after {
    content: attr(data-tooltip);
    position: absolute;
    left: 50%;
    bottom: calc(100% + 10px);
    transform: translateX(-50%) translateY(8px);
    width: max-content;
    max-width: 220px;
    padding: 8px 10px;
    border-radius: 12px;
    background: rgba(255,255,255,0.96);
    border: 1px solid rgba(15, 23, 42, 0.08);
    box-shadow: 0 18px 34px rgba(15, 23, 42, 0.12);
    color: var(--text);
    font-size: 11px;
    line-height: 1.4;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.18s ease, transform 0.18s ease;
    z-index: 10;
}

.analytics-tooltip-anchor:hover::after,
.analytics-tooltip-anchor:focus-visible::after {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.analytics-compare {
    margin-top: 18px;
    border-radius: 22px;
    border: 1px solid rgba(15, 23, 42, 0.06);
    background: rgba(255,255,255,0.72);
    overflow: hidden;
}

.analytics-compare summary {
    cursor: pointer;
    list-style: none;
    padding: 16px 18px;
    font-size: 14px;
    font-weight: 700;
}

.analytics-compare summary::-webkit-details-marker {
    display: none;
}

.analytics-compare-content {
    padding: 0 18px 18px;
}

.analytics-compare-table {
    display: grid;
    gap: 10px;
}

.analytics-row {
    padding: 18px;
    border-radius: 22px;
    background: rgba(255, 255, 255, 0.74);
    border: 1px solid rgba(15, 23, 42, 0.05);
}

.analytics-row:hover {
    transform: translateY(-1px);
    box-shadow: 0 14px 28px rgba(15, 23, 42, 0.08);
}

.analytics-row-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
}

.analytics-row-head h4 {
    margin: 0;
    font-size: 18px;
    letter-spacing: -0.03em;
}

.analytics-range {
    position: relative;
    margin-top: 14px;
    height: 10px;
    border-radius: 999px;
    background: rgba(17, 19, 24, 0.08);
    overflow: hidden;
}

.analytics-range-fill {
    position: absolute;
    top: 0;
    bottom: 0;
    border-radius: 999px;
    background: linear-gradient(90deg, rgba(10,132,255,0.18), rgba(10,132,255,0.46));
}

.analytics-stats-grid {
    margin-top: 14px;
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 10px;
}

.analytics-stat {
    padding: 12px;
    border-radius: 16px;
    background: rgba(248, 250, 252, 0.9);
    border: 1px solid rgba(15, 23, 42, 0.05);
}

.analytics-stat strong {
    display: block;
    color: var(--muted);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    margin-bottom: 4px;
}

.analytics-stat span {
    display: block;
    font-size: 17px;
    font-weight: 750;
    letter-spacing: -0.03em;
}

.verified-pill {
    display: inline-flex;
    align-items: center;
    padding: 9px 13px;
    border-radius: 999px;
    background: rgba(10, 132, 255, 0.08);
    color: var(--accent-strong);
    border: 1px solid rgba(10, 132, 255, 0.12);
    font-size: 12px;
    font-weight: 700;
}

.module-card-actions {
    margin-top: 18px;
}

.module-tool-actions {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

.module-tools-card {
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.98), rgba(239, 246, 255, 0.9));
}

.module-snapshot-card {
    grid-column: 1 / -1;
}

.module-snapshot-dropdown {
    padding: 0;
    overflow: hidden;
}

.module-snapshot-dropdown > summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 20px 22px;
    cursor: pointer;
    list-style: none;
}

.module-snapshot-dropdown > summary::-webkit-details-marker {
    display: none;
}

.module-snapshot-dropdown > summary strong {
    display: block;
    margin-top: 4px;
    color: var(--text);
    font-size: 22px;
    letter-spacing: -0.04em;
}

.module-snapshot-dropdown-cue {
    flex: 0 0 auto;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 72px;
    min-height: 34px;
    padding: 8px 12px;
    border-radius: 999px;
    background: rgba(10, 132, 255, 0.08);
    color: var(--accent-strong);
    font-size: 12px;
    font-weight: 800;
}

.module-snapshot-dropdown[open] .module-snapshot-dropdown-cue {
    background: rgba(15, 23, 42, 0.06);
    color: #475569;
    font-size: 0;
}

.module-snapshot-dropdown[open] .module-snapshot-dropdown-cue::before {
    content: "Close";
    font-size: 12px;
}

.module-snapshot-dropdown-body {
    padding: 0 22px 22px;
}

.module-snapshot-card {
    transition: transform 0.22s ease, box-shadow 0.22s ease, background 0.22s ease, border-color 0.22s ease;
}

.module-snapshot-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 12px;
    padding: 9px 13px;
    border-radius: 999px;
    border: 1px solid rgba(15, 23, 42, 0.06);
    background: rgba(17, 19, 24, 0.05);
    color: var(--muted-strong);
    font-size: 12px;
    font-weight: 700;
}

.module-snapshot-grid {
    margin-top: 16px;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.module-snapshot-stat {
    padding: 14px;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.74);
    border: 1px solid rgba(15, 23, 42, 0.05);
}

.module-snapshot-stat-label {
    display: block;
    color: var(--muted);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.module-snapshot-stat-value {
    display: block;
    margin-top: 6px;
    color: var(--text);
    font-size: 22px;
    font-weight: 800;
    letter-spacing: -0.04em;
}

.module-snapshot-message {
    margin-top: 16px;
    color: var(--muted-strong);
    font-size: 14px;
    line-height: 1.55;
}

.module-snapshot-meta {
    margin-top: 10px;
    color: var(--muted);
    font-size: 12px;
    line-height: 1.5;
}

.module-snapshot-actions {
    margin-top: 18px;
}

@media (max-width: 1180px) {
    .modules-card-grid,
    .modules-card-grid.compact {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 820px) {
    .modules-overview-hero,
    .modules-current-panel {
        align-items: flex-start;
        flex-direction: column;
    }

    .subject-card-grid,
    .module-workspace-grid,
    .topic-workspace-grid,
    .topic-detail-grid,
    .topic-columns,
    .module-snapshot-grid,
    .analytics-summary-grid,
    .analytics-stats-grid,
    .modules-card-grid,
    .modules-card-grid.compact {
        grid-template-columns: 1fr;
    }
}