/* Local system fonts only. All learning-text direction is explicit in HTML. */
:root { color-scheme: light; --paper: #f9f8f3; --ink: #193f3b; --muted: #536863; --green: #234f45; --line: #dce2d8; --peach: #f0d7c5; }
* { box-sizing: border-box; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: 'Segoe UI', system-ui, sans-serif; font-size: 16px; line-height: 1.65; }
a { color: inherit; text-decoration: none; }
button, a { -webkit-tap-highlight-color: transparent; }
a:focus-visible, button:focus-visible, [tabindex]:focus-visible { outline: 3px solid #a14926; outline-offset: 6px; }
h1:focus { outline: none; }
bdi { unicode-bidi: isolate; }
summary:focus-visible, input[type="file"]:focus-visible { outline: 3px solid #a14926; outline-offset: 4px; }
.audio-panel { grid-column: 1 / -1; width: 100%; min-width: 0; margin: 14px 0; padding: 12px; border: 1px solid var(--line); border-radius: 8px; font-size: 13px; overflow-wrap: anywhere; text-align: left; }
.audio-panel summary { cursor: pointer; min-height: 48px; padding: 12px 0; font-weight: 650; }
.audio-panel p { margin: 10px 0; }
.audio-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.audio-panel input[type="file"] { display: block; width: 100%; min-width: 0; min-height: 48px; margin-top: 8px; }
.audio-panel input::file-selector-button { min-height: 48px; border: 1px solid var(--green); border-radius: 5px; background: var(--paper); color: var(--ink); cursor: pointer; }
h1, h2, h3, p { margin: 0; }
h1, h2, h3 { line-height: 1.15; }
.site-header, main, .site-footer { width: min(1184px, calc(100% - 64px)); margin-inline: auto; }
.site-header { min-height: 116px; display: flex; justify-content: space-between; align-items: center; gap: 24px; border-bottom: 1px solid var(--line); }
.brand { display: flex; align-items: center; gap: 12px; font-weight: 750; font-size: 21px; letter-spacing: -.6px; }
.brand-mark { border-radius: 14px; width: 44px; height: 44px; display: grid; place-items: center; color: var(--paper); background: var(--green); font-family: Georgia, serif; font-size: 35px; line-height: 1; padding-bottom: 4px; }
.brand-sub { display: block; font-size: 11px; font-weight: 400; letter-spacing: .1px; color: var(--muted); }
.site-header nav { display: flex; align-items: center; gap: 32px; font-size: 14px; font-weight: 600; }
.site-header nav a { padding: 9px 0; border-bottom: 2px solid transparent; }
.site-header nav a[aria-current] { border-color: var(--green); }
.site-header nav a:last-child { display: flex; gap: 18px; }
.skip-link { position: absolute; left: 20px; top: -100px; padding: 10px 20px; background: white; z-index: 10; }
.skip-link:focus { top: 12px; }
.hero { display: grid; grid-template-columns: 1.25fr 1fr; gap: 70px; align-items: center; padding: 76px 0 60px; }
.eyebrow { font-size: 11px; font-weight: 750; letter-spacing: 1.8px; line-height: 1.6; }
.small-dot { display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: #8b9b6c; margin-right: 8px; }
h1 { font-family: Georgia, 'Times New Roman', serif; font-size: clamp(40px, 4.4vw, 64px); font-weight: 400; letter-spacing: -2.4px; margin: 22px 0; }
h1 em { font-weight: 400; color: #668363; }
.hero-description { max-width: 490px; color: var(--muted); font-size: 16px; line-height: 1.85; margin-bottom: 28px; }
.button { min-height: 48px; padding: 13px 23px; border: 1px solid var(--green); border-radius: 8px; display: inline-flex; align-items: center; justify-content: center; gap: 26px; font-size: 14px; font-weight: 650; text-align: center; }
.primary { color: white; background: var(--green); }
.primary:hover { background: #356657; }
.secondary:hover { background: #e9eee4; }
.hero-note { font-size: 11px; color: var(--muted); margin-top: 13px; }
.hero-art { min-height: 350px; position: relative; display: flex; align-items: center; justify-content: center; }
.art-orbit { position: absolute; width: 330px; height: 330px; border-radius: 50%; background: #e5eadf; }
.art-orbit::after { content: ''; position: absolute; inset: -20px; border-radius: 50%; border: 1px solid #dce2d5; }
.word-note { width: 260px; min-height: 292px; background: #f0d7c5; transform: rotate(-7deg); border-radius: 8px 48px 8px 8px; display: flex; flex-direction: column; align-items: center; padding: 29px 18px; box-shadow: 7px 17px 0 #244d4012; position: relative; }
.word-label { font-size: 9px; font-weight: 750; letter-spacing: 1.5px; }
.hero-dari { font-family: 'Segoe UI', Tahoma, serif; font-size: 66px; line-height: 1.55; margin-top: 14px; }
.hero-latin { font-family: Georgia, serif; font-style: italic; font-size: 23px; }
.word-meaning { text-align: center; font-size: 12px; line-height: 1.6; margin-top: 16px; }
.art-spark { position: absolute; right: 25px; top: -4px; font-size: 76px; z-index: 1; color: #a8603d; }
.art-caption { position: absolute; bottom: -20px; font-size: 11px; color: var(--muted); transform: rotate(-4deg); }
.notice { display: flex; align-items: center; gap: 16px; border: 1px solid #e2d9c5; background: #f4efe3; padding: 16px 20px; border-radius: 8px; font-size: 12px; color: #645637; }
.notice-tag { flex-shrink: 0; text-transform: uppercase; font-size: 9px; font-weight: 800; letter-spacing: 1px; border: 1px solid #b1a17d; border-radius: 4px; padding: 3px 7px; }
.lessons-section { margin-top: 61px; }
.section-heading { display: flex; justify-content: space-between; align-items: end; gap: 20px; margin-bottom: 26px; }
.section-heading h2 { font-family: Georgia, serif; font-size: 32px; font-weight: 400; letter-spacing: -.8px; margin-top: 9px; }
.section-meta { font-size: 11px; color: var(--muted); flex-shrink: 0; }
.lesson-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; }
.lesson-card { padding: 24px 20px 17px; border-radius: 12px; border: 1px solid #dfe4d7; display: flex; flex-direction: column; transition: transform .15s, box-shadow .15s; }
.lesson-card:hover { transform: translateY(-4px); box-shadow: 0 8px 18px #193f3b0c; }
.tone-0 { background: #edf0e5; }.tone-1 { background: #f4e9df; border-color: #e9ded3; }.tone-2 { background: #e8eeed; border-color: #d9e3e0; }.tone-3 { background: #f1eddf; border-color: #e7e0ce; }
.card-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 29px; }
.lesson-icon { font-size: 30px; line-height: 1; }
.lesson-number { font-size: 9px; font-weight: 700; letter-spacing: 1.5px; color: var(--muted); }
.card-category { font-size: 10px; color: var(--muted); margin-bottom: 8px; }
.lesson-card h3 { font-size: 18px; letter-spacing: -.5px; margin-bottom: 12px; }
.lesson-card p { font-size: 12px; color: var(--muted); line-height: 1.8; margin-bottom: 25px; }
.card-bottom { display: flex; align-items: center; justify-content: space-between; gap: 5px; margin-top: auto; font-size: 10px; }
.round-arrow { width: 29px; height: 29px; border: 1px solid #81978b60; border-radius: 50%; display: grid; place-items: center; font-size: 17px; flex-shrink: 0; }
.closing-note, .practice-note { display: flex; align-items: center; gap: 22px; margin: 48px 0; padding: 27px 30px; border: 1px solid var(--line); border-radius: 12px; }
.closing-note > span, .practice-note > span { font-size: 40px; color: #73876b; }
.closing-note h2, .practice-note h2 { font-size: 17px; margin-bottom: 8px; }
.closing-note p, .practice-note p { color: var(--muted); font-size: 13px; }
.site-footer { border-top: 1px solid var(--line); padding: 28px 0 34px; display: flex; justify-content: space-between; gap: 20px; align-items: center; color: var(--muted); font-size: 10px; }
.footer-brand { font-size: 15px; font-weight: 750; color: var(--ink); }
.overview-heading { padding: 60px 0 35px; }.overview-heading p:last-child, .detail-heading > p:last-child { color: var(--muted); }
.back-link { display: inline-block; margin-top: 32px; font-size: 13px; text-decoration: underline; text-underline-offset: 4px; }
.detail-heading { padding: 30px 0; }.detail-heading h1 { margin: 12px 0 18px; }
.vocabulary { margin-top: 40px; }.reading-guide { color: var(--muted); font-size: 13px; margin-bottom: 20px; }
.word-list { border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.word-row { display: grid; grid-template-columns: 35px 1fr 1.2fr; align-items: center; gap: 20px; padding: 22px 28px; background: #fffefa; }
.word-row + .word-row { border-top: 1px solid var(--line); }
.word-index { font-size: 10px; color: var(--muted); }.word-row h3 { font-size: 16px; line-height: 1.6; font-weight: 600; unicode-bidi: isolate; }
.word-translation { display: flex; flex-direction: column; align-items: flex-end; gap: 7px; min-width: 0; }
.dari { font-family: 'Segoe UI', Tahoma, serif; font-size: 29px; line-height: 1.8; text-align: right; max-width: 100%; overflow-wrap: anywhere; }
.transcription { font-size: 13px; color: var(--muted); max-width: 100%; overflow-wrap: anywhere; }
.lesson-navigation { display: flex; justify-content: space-between; gap: 20px; margin-bottom: 55px; }
.not-found { min-height: 60vh; padding: 80px 0; }.not-found p { margin-bottom: 24px; }
@media (max-width: 1000px) {
  .hero { gap: 24px; }.hero-art { transform: scale(.88); }.lesson-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }.lesson-card { padding: 24px; }.site-footer { flex-wrap: wrap; }
}
@media (max-width: 640px) {
  .site-header, main, .site-footer { width: calc(100% - 40px); }.site-header { min-height: 90px; gap: 10px; }.brand { font-size: 17px; gap: 8px; }.brand-mark { width: 35px; height: 35px; font-size: 29px; border-radius: 10px; }.brand-sub { display: none; }.site-header nav { gap: 16px; font-size: 12px; }.site-header nav a:last-child { gap: 6px; }
  .hero { grid-template-columns: 1fr; gap: 24px; padding: 38px 0 44px; }.eyebrow { font-size: 9px; letter-spacing: 1.4px; }h1 { font-size: 43px; letter-spacing: -1.8px; margin: 18px 0; }.hero-description { font-size: 14px; }.hero-art { min-height: 310px; transform: none; }.art-orbit { width: 265px; height: 265px; }.word-note { min-height: 260px; width: 230px; padding: 23px 16px; }.hero-dari { font-size: 56px; }.art-spark { font-size: 63px; right: 14px; top: -2px; }.art-caption { bottom: -9px; }
  .notice { align-items: flex-start; gap: 10px; padding: 15px; font-size: 11px; }.notice-tag { font-size: 8px; padding: 3px 5px; }.lessons-section { margin-top: 37px; }.section-heading { align-items: flex-start; flex-direction: column; gap: 10px; margin-bottom: 20px; }.section-heading h2 { font-size: 29px; }.lesson-grid { grid-template-columns: 1fr; gap: 14px; }.lesson-card { padding: 22px; }.card-top { margin-bottom: 21px; }.lesson-card h3 { font-size: 23px; }.lesson-card p { font-size: 14px; max-width: 280px; }.card-category { font-size: 12px; }.card-bottom { font-size: 11px; }
  .closing-note, .practice-note { padding: 22px 18px; align-items: flex-start; gap: 14px; margin: 30px 0; }.closing-note > span, .practice-note > span { font-size: 28px; }.site-footer { flex-direction: column; align-items: flex-start; gap: 10px; }.overview-heading { padding-top: 38px; }.overview-heading h1, .detail-heading h1 { font-size: 40px; }.word-row { grid-template-columns: 24px 1fr; gap: 10px; padding: 20px 18px; }.word-translation { grid-column: 2; align-items: flex-start; }.dari { align-self: flex-end; font-size: 28px; }.lesson-navigation { flex-direction: column-reverse; gap: 12px; }.not-found { padding-top: 45px; }
}
/* v2: keep the original palette and cards; extend the same visual language. */
button, input { font: inherit; }
button { cursor: pointer; }
button:disabled { cursor: default; opacity: .65; }
input:focus-visible { outline: 3px solid #a14926; outline-offset: 3px; }
input[type="search"] { display: block; width: min(100%, 560px); min-height: 48px; margin: 8px 0; padding: 10px 14px; border: 1px solid #81978b; border-radius: 8px; background: #fffefa; color: var(--ink); }
label { font-size: 14px; font-weight: 600; }
#search-status { margin-bottom: 22px; font-size: 13px; color: var(--muted); }
.empty-state { padding: 24px; border: 1px solid var(--line); border-radius: 12px; }
.text-link { display: inline-block; text-decoration: underline; text-underline-offset: 4px; padding: 10px 0; }
.letter-grid { display: grid; grid-template-columns: repeat(8, minmax(0, 1fr)); gap: 12px; margin-bottom: 38px; }
.letter-link { display: flex; min-width: 0; min-height: 128px; padding: 14px 8px; flex-direction: column; align-items: center; gap: 4px; border: 1px solid var(--line); border-radius: 12px; background: #edf0e5; }
.letter-link:hover { background: #e5eadf; }
.letter-link .dari { font-size: 38px; line-height: 1.5; align-self: center; }
.letter-name { font-size: 13px; text-align: center; overflow-wrap: anywhere; }
.letter-link > span { font-size: 10px; color: var(--muted); }
.letter-forms { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.letter-forms > div { padding: 18px; border-radius: 12px; border: 1px solid var(--line); text-align: center; background: #fffefa; }
.letter-forms dt { font-size: 13px; }
.letter-forms dd { margin: 10px 0 0; }
.letter-forms .dari { font-size: 44px; }
.joining-note { margin: 22px 0 36px; color: var(--muted); }
.letter-practice { margin: 32px 0 50px; padding: 28px; border: 1px solid var(--line); background: #f4e9df; border-radius: 12px; }
.letter-practice h2 { margin: 16px 0; line-height: 1.5; }
.letter-practice p { margin-bottom: 16px; }
.letter-options { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin: 22px 0; }
.letter-options button { background: #fffefa; min-height: 80px; padding: 10px; }
.letter-options .dari { font-size: 38px; align-self: center; }
#letter-feedback { min-height: 44px; }
.letter-practice > .text-link { display: block; }
.practice-note .button { margin-top: 16px; }
.site-header nav a { min-height: 44px; display: inline-flex; align-items: center; }
@media (max-width: 800px) { .letter-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
@media (max-width: 640px) {
  .site-header { flex-wrap: wrap; padding: 18px 0 8px; gap: 6px; }
  .site-header nav { flex-basis: 100%; gap: 24px; }
  .letter-forms { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .letter-link { min-height: 120px; padding-inline: 4px; }
  .letter-practice { padding: 18px; }
  .letter-options { gap: 8px; }
  .letter-options button { padding: 6px; min-height: 64px; }
  .letter-options .dari { font-size: 32px; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { transition: none !important; animation: none !important; scroll-behavior: auto !important; } }
/* Flashcards share the warm lesson palette; no animated 3D or hidden text. */
select { font: inherit; color: var(--ink); background: #fffefa; border: 1px solid #81978b; border-radius: 8px; min-height: 48px; padding: 10px; width: 100%; }
select:focus-visible { outline: 3px solid #a14926; outline-offset: 3px; }
.flash-filters { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; margin: 30px 0 16px; }
.flash-filters select { display: block; margin-top: 6px; }
.flash-panel { max-width: 760px; margin: 26px auto 12px; border: 1px solid var(--line); border-radius: 16px; background: #f4e9df; padding: 28px; text-align: center; }
.flash-panel h2 { font: 26px Georgia, serif; margin: 16px 0; }
.flash-face { min-height: 160px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 14px; overflow-wrap: anywhere; font-size: 26px; }
.flash-face .dari { align-self: center; font-size: 38px; }
.flash-face .transcription { font-size: 18px; }
.flash-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-top: 18px; }
.card-status { margin-top: 20px; font-size: 13px; }
.flash-actions [aria-pressed="true"] { background: #dce6d4; border-width: 2px; }
#flash-feedback { min-height: 44px; text-align: center; }
.storage-note { margin: 26px 0; padding: 18px; border: 1px solid var(--line); border-radius: 8px; font-size: 12px; color: var(--muted); }
.storage-note[data-temporary="true"] { background: #f4e9df; border-color: #a8603d; color: var(--ink); }
@media (max-width: 640px) { .site-header nav { gap: 16px; flex-wrap: wrap; } .flash-filters { grid-template-columns: 1fr; } .flash-panel { padding: 20px 14px; } }
/* Quiz and activity extend the same paper/green/peach language. */
.quiz-options { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; border: 0; padding: 0; margin: 24px 0 14px; min-width: 0; }
.quiz-options legend { margin-bottom: 12px; font-size: 14px; }
.quiz-options button { background: #fffefa; color: var(--ink); overflow-wrap: anywhere; min-width: 0; }
#quiz-prompt { display: block; margin: 20px 0; text-align: center; font-size: 32px; }
#quiz-feedback { min-height: 52px; margin: 16px 0; }
#quiz-feedback .transcription { font-size: 16px; }
.quiz-score { font: 32px Georgia, serif; margin: 20px 0; }
.progress-grid { margin-top: 30px; }
.progress-grid h2 { font: 24px Georgia, serif; margin-bottom: 14px; }
.progress-grid .lesson-card:hover { transform: none; box-shadow: none; }
.progress-list { padding-left: 24px; overflow-wrap: anywhere; }
.progress-list li { margin: 8px 0; }
.learning-paths { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr)); gap: 16px; margin: 24px 0; }
.learning-path { display: block; padding: 20px; border: 1px solid var(--line); border-radius: 12px; background: #edf0e7; text-decoration: none; color: var(--ink); }
.learning-path h3 { font-size: 17px; margin-bottom: 10px; }
.learning-path p, .audio-coverage { font-size: 14px; line-height: 1.7; }
.audio-coverage { padding: 18px; border-left: 3px solid var(--green); margin: 20px 0; }
@media (max-width: 640px) { .quiz-options { grid-template-columns: 1fr; } }
/* Progressive menu: without JS the navigation remains visible. */
#menu-toggle { display: none; min-width: 44px; min-height: 44px; }
.notice { padding-block: 10px; line-height: 1.5; }
.storage-note { padding: 12px; margin-block: 16px; }
.site-header nav a { min-width: 44px; }
.flash-filters > div { min-width: 0; }
.flash-filters .check-label { min-height: 44px; align-items: center; }
@media (max-width: 1000px) {
  .menu-ready #menu-toggle:not([hidden]) { display: inline-flex; }
  .menu-ready #menu-toggle[aria-expanded="false"] + #main-nav { display: none; }
  .site-header #main-nav { width: 100%; gap: 8px 16px; }
}
@media (max-width: 360px) { .art-orbit::after { inset: -8px; } .hero-art { min-width: 0; } }
/* V3 account navigation and forms remain usable at tablet and phone widths. */
.site-header { flex-wrap: wrap; padding-block: 18px; }
.site-header nav { flex-wrap: wrap; gap: 12px 22px; }
#login-form, #accept-form, #password-form, #invite-form { display: grid; gap: 12px; max-width: 560px; margin-block: 24px; }
input[type="email"], input[type="password"], #manual-invite-link { width: 100%; min-width: 0; min-height: 48px; padding: 10px; border: 1px solid #81978b; border-radius: 8px; background: #fffefa; color: var(--ink); }
#member-list article, #invite-list article { padding-block: 16px; border-bottom: 1px solid var(--line); overflow-wrap: anywhere; }
@media (max-width: 1000px) { .site-header nav { flex-basis: 100%; } }
/* Private redaction dashboard: the same paper/green palette, no external UI. */
#editor-dashboard { max-width: 900px; margin-block: 24px; overflow-wrap: anywhere; }
#editor-dashboard form, .recording, .admin-review { display: grid; gap: 12px; margin-block: 24px; min-width: 0; }
#editor-dashboard input:not([type="checkbox"]), #editor-dashboard textarea, #editor-dashboard select { width: 100%; min-width: 0; max-width: 100%; padding: 12px; border: 1px solid #81978b; border-radius: 8px; background: #fffefa; color: var(--ink); font: inherit; }
#editor-dashboard textarea { resize: vertical; }
#editor-dashboard select { min-height: 48px; }
.recording, .admin-review { padding: 20px; border: 1px solid var(--line); border-radius: 14px; background: #f5f1e8; }
#record-preview { width: 100%; max-width: 100%; }
.revision-diff { padding: 12px; border-left: 3px solid var(--green); margin-block: 12px; background: #edf0e7; white-space: pre-wrap; }
.check-label { display: flex; align-items: flex-start; gap: 12px; }
.check-label input { flex-shrink: 0; width: 22px; height: 22px; }
#editor-history { padding-left: 24px; font-size: 14px; }
#editor-history li { margin-block: 10px; }
@media (max-width: 400px) { .recording, .admin-review { padding: 12px; } }