/* Discovery, review, plans, progress and mock-interview pages.
   Uses the theme tokens from app.css only, so light and dark themes both apply. */

.filter-bar {
    display: grid;
    grid-template-columns: minmax(220px, 2fr) repeat(4, minmax(140px, 1fr));
    gap: 0.75rem;
    align-items: end;
    margin-bottom: 1.1rem;
}

.filter-field {
    display: grid;
    gap: 0.3rem;
    min-width: 0;
    color: var(--muted);
    font-size: 0.78rem;
    font-weight: 800;
    text-transform: uppercase;
}

.filter-field input,
.filter-field select,
.notes-panel textarea {
    width: 100%;
    min-height: 42px;
    padding: 0.5rem 0.65rem;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
    color: var(--ink);
    font: inherit;
    font-size: 0.95rem;
    text-transform: none;
}

.filter-toggles {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem 1rem;
    grid-column: 1 / -1;
    color: var(--ink);
    font-size: 0.9rem;
    font-weight: 700;
}

.filter-toggles label {
    display: inline-flex;
    gap: 0.4rem;
    align-items: center;
}

.empty-state {
    padding: 2rem 1rem;
    border: 1px dashed var(--line);
    border-radius: var(--radius);
    color: var(--muted);
    text-align: center;
}

.lesson-rows {
    display: grid;
    gap: 0.55rem;
}

.lesson-row {
    display: flex;
    gap: 1rem;
    align-items: center;
    justify-content: space-between;
    padding: 0.8rem 1rem;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
    color: inherit;
    text-decoration: none;
}

.lesson-row:hover {
    border-color: var(--teal);
}

.lesson-row.complete {
    background: var(--lime-soft);
}

.lesson-row-main {
    display: grid;
    gap: 0.25rem;
    min-width: 0;
}

.lesson-row-main strong {
    overflow-wrap: anywhere;
}

.lesson-row-main small {
    color: var(--muted);
}

.lesson-row-meta {
    display: flex;
    flex-wrap: wrap;
    flex: 0 0 auto;
    gap: 0.4rem;
    align-items: center;
    justify-content: flex-end;
    max-width: 45%;
}

.status-text {
    color: var(--muted);
    font-size: 0.8rem;
    font-weight: 800;
}

.difficulty-badge,
.pattern-chip,
.bookmark-mark,
.count-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.15rem 0.5rem;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: var(--surface-soft);
    color: var(--ink);
    font-size: 0.74rem;
    font-weight: 800;
    white-space: nowrap;
}

.difficulty-badge::before {
    content: "";
    width: 0.55rem;
    height: 0.55rem;
    margin-right: 0.35rem;
    border-radius: 50%;
    background: var(--muted);
}

.difficulty-badge.foundation::before { background: var(--blue); }
.difficulty-badge.easy::before { background: var(--lime); border: 1px solid var(--ink); }
.difficulty-badge.medium::before { background: var(--amber); }
.difficulty-badge.hard::before { background: var(--red); }

.pattern-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.3rem;
}

.pattern-chip {
    font-weight: 700;
}

.bookmark-mark {
    border-color: var(--teal);
}

.count-badge {
    min-width: 1.4rem;
    justify-content: center;
    margin-left: 0.35rem;
    padding: 0 0.4rem;
    border-color: transparent;
    background: var(--teal);
    color: var(--text-on-strong);
}

/* Stat tiles, bars and heatmap on the progress page. */
.stat-tiles {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
    gap: 0.75rem;
    margin-bottom: 1.25rem;
}

.stat-tile {
    display: grid;
    gap: 0.2rem;
    padding: 1rem;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
}

.stat-tile span {
    color: var(--muted);
    font-size: 0.8rem;
    font-weight: 800;
    text-transform: uppercase;
}

.stat-tile strong {
    font-size: 1.8rem;
    line-height: 1.1;
}

.stat-tile small {
    color: var(--muted);
}

.panel-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.25rem;
    margin-bottom: 1.25rem;
}

.bar-list {
    display: grid;
    gap: 0.6rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.bar-row {
    display: grid;
    grid-template-columns: minmax(0, 11rem) minmax(0, 1fr) 4.5rem;
    gap: 0.6rem;
    align-items: center;
    font-size: 0.88rem;
}

.bar-row > span:first-child {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.bar-track {
    height: 0.7rem;
    border-radius: 999px;
    background: var(--surface-soft);
    box-shadow: inset 0 0 0 1px var(--line);
}

.bar-fill {
    display: block;
    height: 100%;
    min-width: 0;
    border-radius: 999px;
    background: var(--teal);
}

.bar-row > span:last-child {
    color: var(--muted);
    font-variant-numeric: tabular-nums;
    text-align: right;
}

.heatmap {
    display: grid;
    grid-auto-columns: minmax(0, 1fr);
    grid-auto-flow: column;
    grid-template-rows: repeat(7, 1fr);
    gap: 3px;
    max-width: 340px;
}

.heatmap span {
    aspect-ratio: 1;
    border-radius: 3px;
    background: var(--surface-soft);
    box-shadow: inset 0 0 0 1px var(--line);
}

.heatmap span.active {
    background: var(--teal);
    box-shadow: none;
}

.heatmap span.today {
    outline: 2px solid var(--ink);
    outline-offset: 1px;
}

/* Study plans. */
.plan-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 0.9rem;
}

.plan-card {
    display: grid;
    gap: 0.6rem;
    padding: 1.1rem;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
    color: inherit;
    text-decoration: none;
}

.plan-card:hover {
    border-color: var(--teal);
}

.plan-card p {
    margin: 0;
    color: var(--muted);
}

.plan-day {
    margin-bottom: 1.1rem;
}

.plan-day h2 {
    display: flex;
    gap: 0.6rem;
    align-items: center;
    margin: 0 0 0.6rem;
    font-size: 1.05rem;
}

.plan-day.today h2::after {
    content: "Today";
    padding: 0.1rem 0.5rem;
    border-radius: 999px;
    background: var(--lime);
    color: var(--ink);
    font-size: 0.72rem;
    font-weight: 900;
}

/* Review queue and lesson tools. */
.review-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.lesson-tools {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: center;
    margin-top: 0.75rem;
}

.lesson-tools .quiet-action[aria-pressed="true"] {
    border-color: var(--teal);
    background: var(--surface-soft);
}

.notes-panel {
    display: grid;
    gap: 0.5rem;
    margin-top: 1rem;
    padding: 1rem;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
}

.notes-panel textarea {
    min-height: 140px;
    resize: vertical;
}

.notes-panel small {
    color: var(--muted);
}

.review-panel {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    align-items: center;
    justify-content: space-between;
    margin-top: 1rem;
    padding: 1rem;
    border: 1px solid var(--teal);
    border-radius: var(--radius);
    background: var(--surface);
}

/* Mock interview. */
.mock-timer {
    position: sticky;
    top: 0.5rem;
    z-index: 20;
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
    padding: 0.7rem 1rem;
    border-radius: var(--radius);
    background: var(--nav-bg);
    color: var(--nav-text-strong);
}

.mock-timer a {
    color: var(--nav-text-strong);
}

.mock-timer strong {
    font-size: 1.3rem;
    font-variant-numeric: tabular-nums;
}

.mock-timer.low strong {
    color: var(--lime);
}

.choice-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.choice-row button[aria-pressed="true"] {
    border-color: var(--teal);
    background: var(--surface-soft);
}

.kbd-hint {
    color: var(--muted);
    font-size: 0.8rem;
}

kbd {
    padding: 0.05rem 0.35rem;
    border: 1px solid var(--line);
    border-radius: 4px;
    background: var(--surface-soft);
    color: var(--ink);
    font-size: 0.8em;
}

@media (max-width: 900px) {
    .filter-bar {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .search-field {
        grid-column: 1 / -1;
    }

    .panel-grid {
        grid-template-columns: minmax(0, 1fr);
    }
}

@media (max-width: 560px) {
    .filter-bar {
        grid-template-columns: minmax(0, 1fr);
    }

    .lesson-row {
        flex-direction: column;
        align-items: flex-start;
    }

    .lesson-row-meta {
        justify-content: flex-start;
        max-width: none;
    }

    .bar-row {
        grid-template-columns: minmax(0, 7rem) minmax(0, 1fr) 3.5rem;
    }
}

.theme-toggle {
    background: transparent;
    text-align: left;
    font: inherit;
    cursor: pointer;
}

.plan-card .bar-track,
.bar-row .bar-track {
    display: block;
}

.review-item {
    display: grid;
    gap: 0.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--line);
}

.upcoming-list {
    display: grid;
    gap: 0.6rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.upcoming-list li {
    display: flex;
    gap: 0.75rem;
    justify-content: space-between;
}

.upcoming-list a {
    color: var(--ink);
    font-weight: 700;
}

.lesson-meta-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    align-items: center;
    margin-top: 0.75rem;
}

.meta-pill {
    display: inline-flex;
    padding: 0.15rem 0.55rem;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: var(--surface);
    color: var(--ink);
    font-size: 0.78rem;
    font-weight: 800;
}

.shortcut-hint {
    margin: 0.5rem 0 0;
    text-align: center;
}

@media (max-width: 700px), (pointer: coarse) {
    .shortcut-hint {
        display: none;
    }
}

.app-footer {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1.25rem;
    justify-content: center;
    padding: 2rem 1rem 1rem;
    color: var(--on-bg-lede);
    font-size: 0.85rem;
}

.app-footer a {
    color: inherit;
    font-weight: 700;
}

.privacy-copy ul {
    display: grid;
    gap: 0.7rem;
    margin: 0;
    padding-left: 1.1rem;
    line-height: 1.5;
}

.danger-heading {
    margin-top: 1.5rem;
}

.primary-action.danger {
    border-color: var(--red);
    background: var(--red);
    color: var(--text-on-strong);
}

.status-message {
    margin-top: 1rem;
    font-weight: 700;
}

.tutor-panel {
    display: grid;
    gap: 0.5rem;
    margin: 1rem 0;
    padding: 0.9rem;
    border: 1px solid var(--teal);
    border-radius: var(--radius);
    background: var(--surface);
}

.tutor-panel h3 {
    margin: 0;
    font-size: 1rem;
}

.tutor-panel input {
    width: 100%;
    min-height: 40px;
    padding: 0.45rem 0.6rem;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
    color: var(--ink);
    font: inherit;
}

.tutor-hint {
    margin: 0;
    padding: 0.7rem 0.8rem;
    border-left: 3px solid var(--teal);
    background: var(--surface-soft);
    color: var(--ink);
    line-height: 1.5;
    white-space: pre-wrap;
}

.tutor-hint.muted {
    border-left-color: var(--muted);
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
}

/* Cohort progress (instructors). The table scrolls inside its own focusable region on narrow screens. */
.cohort-list {
    margin-bottom: 1.25rem;
}

.cohort-table-region {
    /* Positioned so visually hidden (absolutely positioned) header text scrolls with the table instead of widening the page. */
    position: relative;
    max-width: 100%;
    margin-bottom: 1.25rem;
    overflow-x: auto;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
}

.cohort-table {
    width: 100%;
    min-width: 640px;
    border-collapse: collapse;
    color: var(--ink);
    font-size: 0.92rem;
}

.cohort-table caption {
    padding: 0.85rem 1rem 0.5rem;
    caption-side: top;
    color: var(--muted-strong);
    font-weight: 800;
    text-align: left;
}

.cohort-table th,
.cohort-table td {
    padding: 0.65rem 1rem;
    border-top: 1px solid var(--line);
    text-align: left;
    vertical-align: top;
}

.cohort-table thead th {
    background: var(--surface-soft);
    color: var(--muted-strong);
    font-size: 0.78rem;
    font-weight: 800;
    text-transform: uppercase;
    white-space: nowrap;
}

.cohort-table tbody th {
    font-weight: 400;
}

.cohort-table .numeric {
    text-align: right;
    font-variant-numeric: tabular-nums;
}

.cohort-member {
    display: block;
    font-weight: 800;
    overflow-wrap: anywhere;
}

.cohort-member-id {
    display: block;
    color: var(--muted);
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 0.75rem;
    white-space: nowrap;
}

.cohort-message p {
    color: var(--muted-strong);
}

/* Joining a cohort and the instructor's join-code panel. */
.join-message {
    display: grid;
    gap: 0.75rem;
    max-width: 640px;
}

.join-message h2,
.join-code-panel h2 {
    margin: 0;
    font-size: 1.2rem;
}

.join-message h2:focus-visible,
.join-code-panel h2:focus-visible {
    outline: 2px solid var(--focus-ring);
    outline-offset: 4px;
}

.join-message p {
    margin: 0;
    color: var(--muted-strong);
    line-height: 1.5;
}

.join-form {
    display: grid;
    gap: 0.9rem;
}

.join-field {
    display: grid;
    gap: 0.35rem;
    color: var(--muted);
    font-size: 0.78rem;
    font-weight: 800;
    text-transform: uppercase;
}

.join-field input {
    width: 100%;
    min-height: 44px;
    padding: 0.5rem 0.65rem;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
    color: var(--ink);
    font: inherit;
    font-size: 1rem;
    text-transform: none;
}

.join-field input::placeholder {
    color: var(--input-placeholder);
}

.join-field small {
    color: var(--muted);
    font-weight: 400;
    text-transform: none;
}

.join-code-input,
.join-code {
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    letter-spacing: 0.12em;
}

.join-disclosure {
    padding: 0.75rem 0.9rem;
    border-left: 3px solid var(--teal);
    background: var(--surface-soft);
}

.join-code-panel {
    display: grid;
    gap: 0.6rem;
    margin-bottom: 1.25rem;
    padding: 1rem;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
}

.join-code-panel p {
    margin: 0;
    color: var(--muted-strong);
}

.join-code {
    display: inline-block;
    padding: 0.4rem 0.7rem;
    border: 1px dashed var(--teal);
    border-radius: var(--radius);
    background: var(--surface-soft);
    color: var(--ink);
    font-size: 1.35rem;
    font-weight: 800;
    overflow-wrap: anywhere;
    user-select: all;
}

.join-code-facts {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem 1.25rem;
    margin: 0;
    padding: 0;
    list-style: none;
    color: var(--ink);
    font-size: 0.92rem;
}

.join-code-facts strong {
    color: var(--muted-strong);
    font-size: 0.78rem;
    font-weight: 800;
    text-transform: uppercase;
}

/* Your data: the organisations that can see the learner. */
.organisations {
    margin-top: 1.25rem;
}

.organisations > p {
    margin: 0;
    color: var(--muted-strong);
}

/* Focus lands on the section title after leaving an organisation. */
.organisations .section-heading strong:focus {
    outline: none;
}

.organisations .section-heading strong:focus-visible {
    outline: 2px solid var(--focus-ring);
    outline-offset: 4px;
}

.membership-list {
    display: grid;
    gap: 0.75rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.membership {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem 1.25rem;
    align-items: center;
    justify-content: space-between;
    padding: 0.85rem 1rem;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface-soft);
}

.membership-main {
    display: grid;
    gap: 0.2rem;
    min-width: 0;
    color: var(--muted-strong);
    font-size: 0.92rem;
    overflow-wrap: anywhere;
}

.membership-main strong {
    color: var(--ink);
    font-size: 1rem;
}

.membership-actions {
    color: var(--muted-strong);
    font-size: 0.9rem;
}

.member-message {
    margin: 0 0 1rem;
    padding: 0.75rem 1rem;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
    color: var(--ink);
}

.cohort-table .member-actions {
    min-width: 12rem;
}

.cohort-table .member-actions .review-actions {
    align-items: center;
}

.cohort-table .member-actions strong {
    flex-basis: 100%;
    overflow-wrap: anywhere;
}