:root {
    --paper: #f6f0e4;
    --paper-deep: #ece2d1;
    --card: #fffdf8;
    --ink: #211d19;
    --muted: #6b6157;
    --line: #e0d5c4;
    --accent: #245a4d;
    --accent-ink: #ffffff;
    --accent-soft: #dfece6;
    --again: #a94d3a;
    --hard: #86621f;
    --good: #2c6758;
    --easy: #3e5c84;
    --shadow: 0 1px 0 rgba(33, 29, 25, 0.04), 0 18px 40px -26px rgba(33, 29, 25, 0.5);
    --radius: 18px;
    --radius-lg: 24px;
    --font-sans: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", "Noto Sans Arabic", "Geeza Pro", sans-serif;
    --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
    :root {
        --paper: #15130f;
        --paper-deep: #201c16;
        --card: #211d17;
        --ink: #f3ede3;
        --muted: #b4a696;
        --line: #3a3228;
        --accent: #86c9b5;
        --accent-ink: #10211c;
        --accent-soft: #233c34;
        --again: #e08a76;
        --hard: #d9b264;
        --good: #7ecbb6;
        --easy: #9db8de;
        --shadow: 0 1px 0 rgba(0, 0, 0, 0.2), 0 18px 40px -24px rgba(0, 0, 0, 0.8);
    }
}

* {
    box-sizing: border-box;
}

html {
    min-height: 100%;
}

body {
    min-height: 100vh;
    margin: 0;
    background-color: var(--paper);
    background-image: radial-gradient(rgba(33, 29, 25, 0.055) 1px, transparent 1px);
    background-size: 22px 22px;
    color: var(--ink);
    font-family: var(--font-sans);
    -webkit-font-smoothing: antialiased;
}

@media (prefers-color-scheme: dark) {
    body {
        background-image: radial-gradient(rgba(243, 237, 227, 0.045) 1px, transparent 1px);
    }
}

a {
    color: var(--accent);
}

a:hover {
    color: var(--accent);
}

code,
pre {
    font-family: var(--font-mono);
}

:focus-visible {
    outline: 3px solid var(--accent);
    outline-offset: 2px;
}

.fs-header {
    position: sticky;
    top: 0;
    z-index: 20;
    border-bottom: 1px solid var(--line);
    background: color-mix(in srgb, var(--paper) 88%, transparent);
    backdrop-filter: blur(12px);
}

.fs-header-inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 16px;
    max-width: 1080px;
    margin: 0 auto;
    padding: 12px 20px;
}

.fs-brand,
.fs-auth-brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--ink);
    font-weight: 800;
    font-size: 1.1rem;
    letter-spacing: -0.02em;
    text-decoration: none;
}

.fs-brand:hover {
    color: var(--ink);
}

.fs-brand-mark {
    position: relative;
    display: inline-block;
    width: 26px;
    height: 26px;
    flex: none;
}

.fs-brand-mark i {
    position: absolute;
    inset: 0;
    border: 2px solid currentColor;
    border-radius: 7px;
    background: var(--card);
}

.fs-brand-mark i:nth-child(1) {
    transform: rotate(-9deg) translate(-2px, 1px);
}

.fs-brand-mark i:nth-child(2) {
    transform: rotate(5deg) translate(2px, -1px);
    background: var(--accent);
    border-color: var(--accent);
}

.fs-brand-mark i:nth-child(3) {
    transform: rotate(-1deg);
}

.fs-nav {
    display: flex;
    align-items: center;
    gap: 16px;
    overflow-x: auto;
    scrollbar-width: none;
    font-size: 0.9rem;
}

.fs-nav::-webkit-scrollbar {
    display: none;
}

.fs-nav a {
    color: var(--muted);
    font-weight: 600;
    text-decoration: none;
    white-space: nowrap;
}

.fs-nav a:hover {
    color: var(--ink);
}

.fs-signout {
    margin-left: auto;
}

.fs-signout .button {
    color: var(--muted);
    max-width: 220px;
    overflow: hidden;
    text-overflow: ellipsis;
}

.fs-main {
    max-width: 980px;
    margin: 0 auto;
    padding: 28px 20px 88px;
}

.fs-hero {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 24px;
    margin: 4px 0 26px;
}

.fs-eyebrow {
    margin: 0 0 8px;
    color: var(--muted);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.fs-hero-title {
    margin: 0 0 12px;
    color: var(--ink);
    font-size: clamp(2.1rem, 6vw, 3.6rem);
    font-weight: 800;
    letter-spacing: -0.04em;
    line-height: 1.02;
}

.fs-hero-text {
    max-width: 54ch;
    margin: 0;
    color: var(--muted);
    font-size: 1rem;
    line-height: 1.55;
}

.fs-hero-deck {
    position: relative;
    width: 132px;
    height: 158px;
    flex: none;
}

.fs-ghost-card {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--card);
    box-shadow: var(--shadow);
    color: var(--accent);
    font-size: 2.6rem;
    font-weight: 800;
}

.fs-ghost-card-3 {
    transform: rotate(-8deg) translate(-10px, 4px);
    opacity: 0.55;
}

.fs-ghost-card-2 {
    transform: rotate(6deg) translate(8px, 2px);
    opacity: 0.8;
}

.fs-ghost-card-1 {
    transform: rotate(-1deg);
    border-top: 8px solid var(--accent);
}

.fs-stat-strip {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 10px;
    margin: 0 0 24px;
}

.fs-stat-strip-wide {
    grid-template-columns: repeat(6, minmax(0, 1fr));
}

.fs-stat {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: 14px 16px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--card);
}

.fs-stat-value {
    color: var(--ink);
    font-size: 1.45rem;
    font-weight: 800;
    letter-spacing: -0.03em;
}

.fs-stat-label {
    color: var(--muted);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.fs-page-head {
    margin: 0 0 22px;
}

.fs-page-title {
    margin: 0 0 8px;
    color: var(--ink);
    font-size: clamp(1.7rem, 4.5vw, 2.4rem);
    font-weight: 800;
    letter-spacing: -0.035em;
    line-height: 1.08;
}

.fs-page-description {
    max-width: 68ch;
    margin: 0;
    color: var(--muted);
    line-height: 1.55;
}

.fs-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    margin-top: 16px;
}

.fs-course-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 14px;
}

.fs-course-card {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 20px;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background: var(--card);
    box-shadow: var(--shadow);
    color: var(--ink);
    text-decoration: none;
    transition: transform 140ms ease, border-color 140ms ease;
}

.fs-course-card:hover {
    transform: translateY(-2px);
    border-color: var(--accent);
    color: var(--ink);
}

.fs-course-card-top {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 10px;
}

.fs-course-name {
    margin: 0;
    font-size: 1.2rem;
    font-weight: 750;
    letter-spacing: -0.02em;
}

.fs-course-description {
    margin: 0;
    color: var(--muted);
    font-size: 0.9rem;
    line-height: 1.5;
}

.fs-course-meta {
    display: flex;
    gap: 18px;
    margin: auto 0 0;
    padding-top: 4px;
}

.fs-course-meta div {
    display: flex;
    flex-direction: column;
}

.fs-course-meta dt {
    font-size: 1.05rem;
    font-weight: 750;
}

.fs-course-meta dd {
    margin: 0;
    color: var(--muted);
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.fs-due-pill {
    display: inline-flex;
    align-items: center;
    padding: 3px 9px;
    border-radius: 999px;
    background: var(--accent-soft);
    color: var(--accent);
    font-size: 0.72rem;
    font-weight: 750;
    white-space: nowrap;
}

.fs-list {
    display: grid;
    gap: 10px;
}

.fs-row {
    display: flex;
    align-items: center;
    gap: 18px;
    padding: 18px 20px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--card);
    color: var(--ink);
    text-decoration: none;
    transition: border-color 140ms ease, transform 140ms ease;
}

.fs-row:hover {
    border-color: var(--accent);
    color: var(--ink);
    transform: translateY(-1px);
}

.fs-row-main {
    flex: 1;
    min-width: 0;
    color: var(--ink);
    text-decoration: none;
}

.fs-row-main:hover {
    color: var(--ink);
}

.fs-row-title {
    margin: 0;
    font-size: 1.08rem;
    font-weight: 700;
    letter-spacing: -0.015em;
}

.fs-row-subtitle {
    margin: 4px 0 0;
    color: var(--muted);
    font-size: 0.88rem;
    line-height: 1.45;
}

.fs-row-meta {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--muted);
    font-size: 0.82rem;
    white-space: nowrap;
}

.fs-row-deck {
    align-items: center;
}

.breadcrumb.fs-breadcrumb {
    margin: 0 0 8px;
    font-size: 0.82rem;
}

.fs-breadcrumb ul {
    margin: 0;
}

.fs-breadcrumb li + li::before {
    color: var(--muted);
}

.fs-breadcrumb a,
.fs-breadcrumb span {
    color: var(--muted);
    font-weight: 600;
}

.fs-breadcrumb .is-active span {
    color: var(--ink);
}

.fs-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin: 0 0 20px;
}

.fs-chip {
    padding: 3px 9px;
    border: 1px solid var(--line);
    border-radius: 999px;
    color: var(--muted);
    font-size: 0.72rem;
    font-weight: 600;
    font-family: var(--font-mono);
}

.fs-panel {
    margin: 0 0 16px;
    padding: 18px 20px;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background: var(--card);
}

.fs-panel-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 14px;
}

.fs-panel-title {
    margin: 0;
    font-size: 0.8rem;
    font-weight: 750;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.fs-panel-note {
    color: var(--muted);
    font-size: 0.76rem;
}

.fs-panel-empty {
    margin: 0;
    color: var(--muted);
    font-size: 0.9rem;
}

.fs-study-head {
    margin-bottom: 18px;
}

.fs-study-card {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 18px;
    min-height: 52vh;
    padding: clamp(20px, 4vw, 38px);
    border: 1px solid var(--line);
    border-radius: 28px;
    background: var(--card);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.fs-study-card::before {
    content: "";
    position: absolute;
    inset: 0 0 auto;
    height: 7px;
    background: linear-gradient(90deg, var(--again), var(--hard), var(--good), var(--easy));
    opacity: 0.85;
}

.fs-study-card-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding-top: 4px;
}

.fs-side-label {
    display: inline-block;
    color: var(--muted);
    font-size: 0.7rem;
    font-weight: 750;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.fs-study-meta {
    display: inline-flex;
    gap: 6px;
    color: var(--muted);
    font-family: var(--font-mono);
    font-size: 0.72rem;
}

.fs-study-card > .fs-side {
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 20vh;
}

.fs-side {
    font-size: clamp(1.22rem, 3vw, 1.75rem);
    line-height: 1.5;
    word-break: break-word;
}

.fs-answer {
    padding-top: 18px;
    border-top: 1px dashed var(--line);
}

.fs-answer .fs-side {
    margin-top: 6px;
    font-size: clamp(1.05rem, 2.4vw, 1.4rem);
}

.fs-extras {
    padding-top: 4px;
    border-top: 1px dashed var(--line);
}

.fs-extras summary {
    cursor: pointer;
    color: var(--muted);
    font-size: 0.82rem;
    font-weight: 650;
}

.fs-extra {
    margin-top: 12px;
}

.fs-reveal {
    margin-top: auto;
    min-height: 58px;
    font-size: 1.02rem;
}

.fs-key {
    margin-left: 8px;
    padding: 1px 6px;
    border: 1px solid color-mix(in srgb, var(--accent-ink) 55%, transparent);
    border-radius: 5px;
    font-family: var(--font-mono);
    font-size: 0.68rem;
    opacity: 0.85;
}

.fs-grade-form {
    margin-top: auto;
}

.fs-grade-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 8px;
}

.fs-grade {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    min-height: 62px;
    border: 0;
    border-radius: 14px;
    color: #fff;
    font-weight: 750;
}

.fs-grade:hover,
.fs-grade:focus {
    color: #fff;
    filter: brightness(1.08);
}

.fs-grade-name {
    font-size: 0.95rem;
}

.fs-grade-key {
    font-family: var(--font-mono);
    font-size: 0.66rem;
    opacity: 0.75;
}

.fs-grade-again,
.fs-grade-again:hover,
.fs-grade-again:focus {
    background: var(--again);
    color: #fff;
}

.fs-grade-hard,
.fs-grade-hard:hover,
.fs-grade-hard:focus {
    background: var(--hard);
    color: #fff;
}

.fs-grade-good,
.fs-grade-good:hover,
.fs-grade-good:focus {
    background: var(--good);
    color: #fff;
}

.fs-grade-easy,
.fs-grade-easy:hover,
.fs-grade-easy:focus {
    background: var(--easy);
    color: #fff;
}

.fs-study-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--line);
    color: var(--muted);
    font-family: var(--font-mono);
    font-size: 0.72rem;
}

.fs-study-due {
    white-space: nowrap;
}

.fs-study-error {
    border-color: var(--again);
}

.fs-study-done {
    justify-content: center;
    text-align: center;
    min-height: 46vh;
}

.fs-done-title {
    margin: 0;
    font-size: clamp(1.5rem, 4vw, 2.1rem);
    font-weight: 800;
    letter-spacing: -0.03em;
}

.fs-done-text {
    margin: 0 auto;
    max-width: 46ch;
    color: var(--muted);
}

.fs-study-done .fs-actions {
    justify-content: center;
    margin-top: 8px;
}

.fs-card-list {
    display: grid;
    gap: 10px;
}

.fs-mini-card {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 16px 18px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--card);
}

.fs-mini-front {
    font-size: 1.02rem;
    font-weight: 650;
    line-height: 1.45;
    word-break: break-word;
}

.fs-mini-back {
    color: var(--muted);
    font-size: 0.9rem;
    line-height: 1.45;
    word-break: break-word;
}

.fs-mini-footer {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    padding-top: 6px;
}

.fs-tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
}

.fs-mini-card .tag,
.fs-token-row .tag {
    border: 1px solid var(--line);
    background: var(--paper-deep);
    color: var(--muted);
    font-size: 0.68rem;
    text-decoration: none;
}

.fs-card-id {
    color: var(--muted);
    font-family: var(--font-mono);
    font-size: 0.68rem;
}

.fs-deck-links {
    display: flex;
    flex-wrap: wrap;
    gap: 4px 12px;
    color: var(--muted);
    font-size: 0.72rem;
}

.fs-pagination {
    margin-top: 18px;
}

.fs-pagination .pagination-link.is-current {
    border-color: var(--line);
    background: var(--card);
    color: var(--ink);
}

.fs-empty {
    padding: 30px;
    border: 1px dashed var(--line);
    border-radius: var(--radius-lg);
    background: color-mix(in srgb, var(--card) 70%, transparent);
    color: var(--muted);
    text-align: left;
}

.fs-empty h2 {
    color: var(--ink);
}

.fs-empty p:last-child {
    margin-bottom: 0;
}

.fs-flash {
    border: 1px solid var(--line);
    border-left: 4px solid var(--accent);
    background: var(--card);
    color: var(--ink);
}

.fs-search-form {
    max-width: 620px;
    margin-bottom: 20px;
}

.fs-search-form .field {
    margin-bottom: 8px;
}

.fs-user-form {
    max-width: 420px;
}

.fs-chart {
    display: flex;
    align-items: flex-end;
    gap: 4px;
    height: 168px;
    padding-top: 8px;
}

.fs-bar-wrap {
    display: flex;
    flex: 1;
    flex-direction: column;
    align-items: center;
    justify-content: flex-end;
    min-width: 0;
}

.fs-bar {
    display: flex;
    flex-direction: column-reverse;
    width: 100%;
    max-width: 22px;
    height: 140px;
    overflow: hidden;
    border-radius: 4px 4px 0 0;
    background: var(--paper-deep);
}

.fs-bar-seg {
    display: block;
    flex: none;
    width: 100%;
    min-height: 0;
}

.fs-bar-again {
    background: var(--again);
}

.fs-bar-hard {
    background: var(--hard);
}

.fs-bar-good {
    background: var(--good);
}

.fs-bar-easy {
    background: var(--easy);
}

.fs-bar-label {
    margin-top: 4px;
    color: var(--muted);
    font-family: var(--font-mono);
    font-size: 0.58rem;
    white-space: nowrap;
}

.fs-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 12px;
    color: var(--muted);
    font-size: 0.74rem;
}

.fs-legend-item {
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.fs-dot {
    display: inline-block;
    width: 9px;
    height: 9px;
    border-radius: 50%;
}

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

.fs-meter {
    display: grid;
    grid-template-columns: 56px minmax(0, 1fr) 34px;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
    font-size: 0.78rem;
}

.fs-meter-label {
    color: var(--muted);
}

.fs-meter-track {
    height: 10px;
    overflow: hidden;
    border-radius: 999px;
    background: var(--paper-deep);
}

.fs-meter-fill {
    display: block;
    height: 100%;
    border-radius: 999px;
}

.fs-meter-fill.fs-grade-again {
    background: var(--again);
}

.fs-meter-fill.fs-grade-hard {
    background: var(--hard);
}

.fs-meter-fill.fs-grade-good {
    background: var(--good);
}

.fs-meter-fill.fs-grade-easy {
    background: var(--easy);
}

.fs-meter-value {
    color: var(--muted);
    font-family: var(--font-mono);
    text-align: right;
}

.fs-hard-list {
    margin: 0;
    padding: 0;
    list-style: none;
}

.fs-hard-list li + li {
    border-top: 1px solid var(--line);
}

.fs-hard-list a {
    display: block;
    padding: 9px 0;
    color: var(--ink);
    text-decoration: none;
}

.fs-hard-front {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
}

.fs-hard-meta {
    display: block;
    margin-top: 2px;
    color: var(--muted);
    font-family: var(--font-mono);
    font-size: 0.68rem;
}

.fs-table {
    background: transparent;
    color: var(--ink);
}

.fs-table th {
    border-color: var(--line);
    color: var(--muted);
    font-size: 0.7rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.fs-table td {
    border-color: var(--line);
    color: var(--ink);
}

.fs-table-sub {
    display: block;
    color: var(--muted);
    font-size: 0.72rem;
}

.fs-token-reveal {
    margin-bottom: 16px;
    padding: 18px 20px;
    border: 1px dashed var(--accent);
    border-radius: var(--radius);
    background: var(--accent-soft);
}

.fs-token-value {
    display: block;
    margin: 4px 0 6px;
    color: var(--ink);
    font-size: 0.82rem;
    word-break: break-all;
}

.fs-token-hint {
    margin: 0;
    color: var(--muted);
    font-size: 0.8rem;
}

.fs-token-list {
    display: grid;
}

.fs-token-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 12px 0;
    border-top: 1px solid var(--line);
}

.fs-token-row:first-child {
    border-top: 0;
}

.fs-token-meta {
    display: block;
    margin-top: 2px;
    color: var(--muted);
    font-size: 0.76rem;
}

.fs-code-panel pre {
    margin: 0;
    padding: 14px;
    overflow-x: auto;
    border-radius: 12px;
    background: var(--paper-deep);
    color: var(--ink);
    font-size: 0.78rem;
}

.fs-inline-form {
    max-width: 620px;
}

.fs-auth-body {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.fs-auth-main {
    width: 100%;
    max-width: 420px;
}

.fs-auth-card {
    padding: 32px;
    border: 1px solid var(--line);
    border-radius: 28px;
    background: var(--card);
    box-shadow: var(--shadow);
}

.fs-auth-brand {
    font-size: 1.3rem;
}

.fs-auth-tagline {
    margin: 8px 0 24px;
    color: var(--muted);
}

.fs-auth-card .label {
    color: var(--muted);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.input,
.textarea,
.select select {
    border-color: var(--line);
    background: var(--card);
    color: var(--ink);
    border-radius: 12px;
}

.input:focus,
.textarea:focus,
.select select:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent);
}

.button {
    border-radius: 999px;
    font-weight: 650;
}

.button.fs-button,
.fs-button {
    border-color: transparent;
    background: var(--accent);
    color: var(--accent-ink);
}

.button.fs-button:hover,
.fs-button:hover {
    background: color-mix(in srgb, var(--accent) 88%, var(--ink));
    color: var(--accent-ink);
}

.button.is-light {
    border-color: var(--line);
    background: var(--paper-deep);
    color: var(--ink);
}

.button.is-light:hover {
    border-color: var(--accent);
    background: var(--paper-deep);
    color: var(--ink);
}

.button.is-ghost {
    color: var(--muted);
}

.button.is-ghost:hover {
    color: var(--ink);
    background: var(--paper-deep);
}

.notification {
    border-radius: var(--radius);
}

.title,
.subtitle {
    color: var(--ink);
}

.markdown {
    color: var(--ink);
}

.markdown > :first-child {
    margin-top: 0;
}

.markdown > :last-child {
    margin-bottom: 0;
}

.markdown p,
.markdown li,
.markdown h1,
.markdown h2,
.markdown h3,
.markdown h4,
.markdown blockquote {
    unicode-bidi: plaintext;
    text-align: start;
}

.markdown h1,
.markdown h2,
.markdown h3 {
    margin: 0.7em 0 0.35em;
    color: var(--ink);
    font-weight: 750;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.markdown h1 {
    font-size: 1.35em;
}

.markdown h2 {
    font-size: 1.2em;
}

.markdown h3 {
    font-size: 1.08em;
}

.markdown p,
.markdown ul,
.markdown ol,
.markdown blockquote {
    margin: 0.55em 0;
}

.markdown ul,
.markdown ol {
    padding-inline-start: 1.25em;
}

.markdown li {
    margin: 0.18em 0;
}

.markdown code {
    padding: 1px 5px;
    border-radius: 5px;
    background: var(--paper-deep);
    font-size: 0.86em;
}

.markdown pre {
    padding: 12px;
    overflow-x: auto;
    border-radius: 10px;
    background: var(--paper-deep);
}

.markdown pre code {
    padding: 0;
    background: transparent;
}

.markdown a {
    color: var(--accent);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.markdown blockquote {
    margin-inline-start: 0;
    padding-inline-start: 12px;
    border-inline-start: 3px solid var(--line);
    color: var(--muted);
}

.markdown hr {
    border: 0;
    border-top: 1px dashed var(--line);
    margin: 1em 0;
}

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

.markdown th,
.markdown td {
    padding: 4px 8px;
    border: 1px solid var(--line);
    text-align: start;
}

@media (max-width: 760px) {
    .fs-stat-strip-wide {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

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

@media (max-width: 620px) {
    .fs-header-inner {
        padding: 10px 14px;
        gap: 10px;
    }

    .fs-nav {
        order: 3;
        width: 100%;
        padding-top: 2px;
    }

    .fs-signout {
        margin-left: auto;
    }

    .fs-main {
        padding: 20px 14px 72px;
    }

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

    .fs-hero-deck {
        display: none;
    }

    .fs-stat-strip {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .fs-stat-strip-wide {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .fs-row {
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
    }

    .fs-row-meta {
        flex-wrap: wrap;
        justify-content: flex-start;
    }

    .fs-grade-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .fs-grade {
        min-height: 54px;
    }

    .fs-study-card {
        min-height: 56vh;
        padding: 20px 16px 18px;
        border-radius: 22px;
    }

    .fs-study-card > .fs-side {
        min-height: 16vh;
    }

    .fs-chart {
        gap: 2px;
    }

    .fs-bar {
        max-width: 14px;
    }

    .fs-bar-label {
        visibility: hidden;
    }

    .fs-bar-label:first-child,
    .fs-bar-wrap:first-child .fs-bar-label,
    .fs-bar-wrap:last-child .fs-bar-label {
        visibility: visible;
    }

    .fs-auth-card {
        padding: 24px 20px;
    }
}

@media (prefers-reduced-motion: reduce) {
    * {
        transition: none !important;
        scroll-behavior: auto !important;
    }
}