/* app.css — InstantGPA
   Design tokens first, then components. No inline one-off styles anywhere
   in the JS modules — every visual value used more than once lives here. */

:root {
  /* Color palette adapted from the reference InstantGPA build's visual
     identity (steel-blue primary + sage-teal accent), re-tuned here so
     every text color actually clears WCAG AA 4.5:1 against the
     background it's used on — several of the source values didn't
     (e.g. its accent teal measured 3.33:1 and its warning amber 2.78:1
     against white; both were darkened here until they cleared 4.5:1). */
  --color-ink: #1e2935;
  --color-ink-soft: #556270;
  --color-muted: #69707f;
  --color-bg: #f3f5f7;
  --color-surface: #fcfdfe;
  --color-surface-2: #eaf0f5;
  --color-border: #d7dfe7;
  --color-primary: #29475f;
  --color-primary-2: #355a78;
  --color-primary-soft: #eaf0f5;
  --color-accent: #4b9a8d;
  --color-good: #3c7b71;
  --color-warn: #9d6417;
  --color-danger: #b3423a;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;

  --shadow-sm: 0 1px 2px rgba(22, 34, 47, 0.06), 0 6px 16px rgba(22, 34, 47, 0.06);
  --shadow-md: 0 12px 32px -12px rgba(22, 34, 47, 0.22);

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;

  --control-h: 46px;
  --container-w: 1080px;

  --font-sans: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;

  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-ink: #eef2f6;
    --color-ink-soft: #b9c4cf;
    --color-muted: #8b98a5;
    --color-bg: #101820;
    --color-surface: #172230;
    --color-surface-2: #1d2a3a;
    --color-border: #2a394a;
    --color-primary: #7fa8cc;
    --color-primary-2: #9dbfdd;
    --color-primary-soft: #1c3348;
    --color-accent: #4b9a8d;
    --color-good: #5cb3a3;
    --color-warn: #d78a1f;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-ink);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
.seo-intro { max-width: 760px; margin: 40px auto; padding-inline: 20px; }
.seo-intro h1 { color: var(--color-primary); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
}

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

a { color: var(--color-primary-2); }

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

/* ---------- Shell ---------- */
#app { min-height: 100vh; display: flex; flex-direction: column; }

.site-header {
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface);
  position: sticky; top: 0; z-index: 10;
}
.brand { display: flex; align-items: center; gap: var(--space-3); text-decoration: none; color: var(--color-ink); }
.brand-mark { font-size: 26px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-text strong { font-size: 17px; color: var(--color-primary); }
.brand-text small { color: var(--color-muted); font-size: 12px; }

.lang-switcher select {
  height: 38px; border-radius: var(--radius-sm); border: 1px solid var(--color-border);
  background: var(--color-surface); color: var(--color-ink); padding: 0 var(--space-3);
}

.header-actions { display: flex; align-items: center; gap: var(--space-3); }
.icon-link {
  display: grid; place-items: center; width: 38px; height: 38px;
  border-radius: var(--radius-sm); border: 1px solid var(--color-border);
  background: var(--color-surface); text-decoration: none; font-size: 16px;
}
.icon-link:hover { border-color: var(--color-primary-2); }

.trial-banner {
  display: flex; align-items: center; justify-content: space-between; gap: var(--space-4);
  background: var(--color-primary); color: #fff;
  padding: var(--space-3) var(--space-5);
  font-size: 13px;
}
.trial-banner p { margin: 0; max-width: 960px; }
.trial-banner__close {
  flex: none; background: rgba(255,255,255,.15); color: #fff; border: 0;
  width: 28px; height: 28px; border-radius: 999px; cursor: pointer; font-size: 13px;
}
.trial-banner__close:hover { background: rgba(255,255,255,.28); }

.tools-grid--advanced { grid-template-columns: repeat(4, 1fr); margin-top: -8px; }
.tools-grid--advanced .tool-tile { font-size: 13px; background: var(--color-surface-2); box-shadow: none; }
.tools-grid--info { grid-template-columns: repeat(2, 1fr); margin-top: -8px; }
.tools-grid--info .tool-tile { font-size: 13px; background: transparent; box-shadow: none; border-style: dashed; }

.tool-card--loading { text-align: center; color: var(--color-muted); padding: var(--space-7) var(--space-6); }

.course-row--2 { grid-template-columns: 2fr 1fr auto; }
.tool-card--wide { max-width: 880px; }

.dash-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-3); margin: var(--space-4) 0; }
.dash-stat {
  background: var(--color-surface-2); border-radius: var(--radius-md);
  padding: var(--space-4); display: flex; flex-direction: column; gap: var(--space-1);
}
.dash-stat__label { font-size: 11px; text-transform: uppercase; letter-spacing: .03em; color: var(--color-muted); }
.dash-stat__value { font-size: 24px; font-weight: 800; color: var(--color-primary); font-variant-numeric: tabular-nums; }
.dash-stat__value--text { font-size: 15px; }
.dash-links { display: flex; flex-wrap: wrap; gap: var(--space-2); }

.tf-textarea {
  width: 100%; min-height: 140px; border-radius: var(--radius-sm); border: 1px solid var(--color-border);
  background: var(--color-surface); color: var(--color-ink); padding: var(--space-3);
  font-family: ui-monospace, "SFMono-Regular", Menlo, monospace; font-size: 13px; resize: vertical;
}
.trust-section { margin-top: var(--space-6); padding-top: var(--space-5); border-top: 1px solid var(--color-border); }
.trust-section:first-of-type { margin-top: var(--space-5); }
.trust-section h3 { margin: 0 0 var(--space-3); font-size: 15px; color: var(--color-primary); }
.trust-list { margin: 0; padding-inline-start: 20px; color: var(--color-ink-soft); }
.trust-list li { margin-bottom: var(--space-2); }

.intl-table { width: 100%; border-collapse: collapse; margin: var(--space-4) 0; font-size: 14px; }
.intl-table th, .intl-table td { text-align: start; padding: var(--space-2) var(--space-3); border-bottom: 1px solid var(--color-border); }
.intl-table th { color: var(--color-muted); font-size: 12px; text-transform: uppercase; letter-spacing: .02em; }

/* ---------- Connected academic workspace ---------- */
.workspace-nav, .workspace-subnav {
  display: flex; justify-content: center; gap: 8px; flex-wrap: wrap;
  margin: 14px auto 10px;
}
.workspace-nav a, .workspace-subnav a {
  display: inline-flex; align-items: center; gap: 8px; min-height: 44px;
  padding: 0 16px; border: 1px solid var(--color-border); border-radius: 12px;
  background: var(--color-surface); color: var(--color-ink-soft);
  text-decoration: none; font-weight: 700;
}
.workspace-nav a.is-active, .workspace-subnav a.is-active {
  background: #111c31; color: #fff; border-color: #111c31; box-shadow: var(--shadow-sm);
}
.workspace-subnav { margin-top: 0; }
.workspace-subnav a { min-height: 34px; padding: 0 13px; border-radius: 9px; font-size: 13px; }
.record-page { max-width: 960px; margin: 0 auto; }
.record-page > h2 { margin: 0; font-size: 22px; }
.record-stepper { display: flex; align-items: center; gap: 8px; margin: 18px 0; }
.record-stepper span { display: inline-flex; align-items: center; gap: 7px; color: var(--color-muted); font-size: 13px; font-weight: 700; }
.record-stepper span b { display: grid; place-items: center; width: 24px; height: 24px; border-radius: 50%; background: var(--color-surface-2); }
.record-stepper span.is-active { color: #fff; background: #111c31; border-radius: 999px; padding: 4px 12px 4px 5px; }
.record-stepper span.is-active b { background: rgba(255,255,255,.15); }
.record-stepper span.is-done { color: var(--color-ink); background: #cceef6; border-radius: 999px; padding: 4px 12px 4px 5px; }
.record-stepper span.is-done b { color: #fff; background: #11b995; }
.record-stepper i { color: var(--color-muted); font-style: normal; }
.record-card-title { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.record-card-title span { color: var(--color-muted); font-size: 13px; }
.record-card-title button { margin-inline-start: auto; }
.record-actions { justify-content: flex-end; margin-top: 16px; }
.mapping-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.mapping-grid label { display: flex; flex-direction: column; gap: 6px; color: var(--color-muted); font-size: 12px; font-weight: 700; }
.record-table-wrap { max-height: 390px; overflow: auto; border: 1px solid var(--color-border); border-radius: 12px; }
.record-table { margin: 0; min-width: 720px; }
.record-badge { display: inline-block; padding: 3px 7px; border-radius: 6px; background: #e4e7ff; color: #534bc7; font-size: 11px; font-weight: 800; }
.record-badge--ok { background: #dff6ef; color: #087a60; }
.record-badge--warn { background: #fff0d6; color: #a75b00; }
.preview-metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.preview-metrics div { padding: 16px; border-radius: 9px; background: var(--color-surface-2); display: flex; flex-direction: column; gap: 5px; }
.preview-metrics span { color: var(--color-muted); font-size: 11px; font-weight: 800; text-transform: uppercase; }
.preview-metrics strong { font-size: 24px; }
.program-credit-prompt .field { max-width: 360px; }
.program-credit-prompt input { font-size: 18px; font-weight: 800; }
.program-requirement-summary {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin: 18px 0;
}
.program-requirement-summary div {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 14px;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  background: var(--color-surface-2);
}
.program-requirement-summary span { color: var(--color-muted); font-size: 11px; font-weight: 800; text-transform: uppercase; }
.program-requirement-summary strong { font-size: 20px; }
.good { color: #008b69; }
.import-success { text-align: center; }
.success-mark { display: grid; place-items: center; width: 46px; height: 46px; margin: 0 auto 12px; border-radius: 50%; background: #16b995; color: #fff; font-size: 24px; }
.saved-transcript, .import-history { margin-top: 18px; }
.saved-transcript h3 small { color: var(--color-muted); font-weight: 400; }
.saved-transcript details, #planOutput details { margin: 9px 0; border: 1px solid var(--color-border); border-radius: 10px; background: var(--color-surface-2); }
.saved-transcript summary, #planOutput summary { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 15px; cursor: pointer; }
.saved-transcript summary span, #planOutput summary span { color: var(--color-ink-soft); font-size: 13px; }
.saved-transcript summary b { padding: 2px 7px; border-radius: 6px; background: #1e293b; color: #fff; font-size: 10px; }
.saved-course-list { border-top: 1px solid var(--color-border); padding: 4px 15px; }
.saved-course-list p { display: flex; justify-content: space-between; gap: 10px; margin: 0; padding: 8px 0; border-bottom: 1px solid var(--color-border); font-size: 13px; }
.saved-course-list p:last-child { border-bottom: 0; }
.history-row { display: flex; justify-content: space-between; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--color-border); }
.history-row > div:first-child { display: flex; flex-direction: column; }
.history-row small { color: var(--color-muted); }
.danger-text { color: var(--color-danger); }
.record-connected { margin: 0 0 14px; color: var(--color-primary-2); font-size: 13px; }
.record-connected::first-letter { color: var(--color-good); }
.record-connected--empty { color: var(--color-muted); }
.gpa-summary-strip { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 16px; margin-bottom: 12px; border-radius: 12px; background: #eef7fd; }
.gpa-summary-strip span { display: flex; align-items: baseline; gap: 7px; color: var(--color-ink-soft); font-size: 12px; }
.gpa-summary-strip span:first-child strong { color: #098bc7; font-size: 34px; }
.cgpa-breakdown { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-top: 14px; }
.cgpa-breakdown div { display: flex; flex-direction: column; padding: 12px; border-radius: 8px; background: var(--color-surface-2); }
.cgpa-breakdown span { color: var(--color-muted); font-size: 11px; }
.converter-target { display: flex; align-items: center; gap: 10px; margin: 12px 0; font-size: 13px; font-weight: 700; }
.converter-target select { width: min(360px, 100%); }
.source-gpa { margin-top: 14px; color: var(--color-muted); font-size: 12px; text-transform: uppercase; letter-spacing: .08em; }
.cumulative-result { display: flex; align-items: baseline; gap: 10px; margin: 22px 0 8px; }
.cumulative-result span { text-transform: uppercase; letter-spacing: .08em; font-size: 11px; font-weight: 800; color: var(--color-muted); }
.cumulative-result strong { font-size: 30px; }
.planner-settings { display: grid; gap: 12px; }
.planner-settings label { display: grid; grid-template-columns: 1fr 120px; align-items: center; gap: 16px; font-weight: 600; }
.planner-settings input[type="checkbox"] { width: 22px; justify-self: end; }
.account-profile-line { display: flex; align-items: center; gap: 12px; padding-bottom: 16px; margin-bottom: 16px; border-bottom: 1px solid var(--color-border); }
.account-profile-line > div { display: flex; flex-direction: column; }
.account-profile-line small { color: var(--color-muted); }
.account-avatar { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 50%; background: #12223a; color: #fff; font-weight: 800; }
.account-google-button { width: 100%; min-height: 46px; margin-top: 12px; }
.subscription-summary {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-block: 18px;
  padding: 14px;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  background: var(--color-bg);
}
.subscription-summary > div { display: flex; min-width: 0; flex-direction: column; gap: 4px; }
.subscription-summary strong { overflow-wrap: anywhere; }
.subscription-summary.is-active { border-color: #64c9a8; background: #f1fcf8; }

@media (max-width: 720px) {
  .workspace-nav a span { display: none; }
  .workspace-nav a { width: 46px; justify-content: center; padding: 0; font-size: 18px; }
  .mapping-grid, .preview-metrics, .cgpa-breakdown { grid-template-columns: 1fr 1fr; }
  .program-requirement-summary { grid-template-columns: 1fr; }
  .gpa-summary-strip { align-items: flex-start; flex-direction: column; }
  .history-row, .saved-transcript summary, #planOutput summary { align-items: flex-start; flex-direction: column; }
  .planner-settings label { grid-template-columns: 1fr 90px; }
}

main#mainContent {
  flex: 1;
  width: 100%;
  max-width: var(--container-w);
  margin: 0 auto;
  padding: var(--space-6) var(--space-5) var(--space-7);
}

.site-footer {
  border-top: 1px solid var(--color-border);
  padding: var(--space-5);
  text-align: center;
  color: var(--color-muted);
  font-size: 13px;
}
.footer-links { display: flex; justify-content: center; gap: var(--space-4); margin-bottom: var(--space-2); flex-wrap: wrap; }
.footer-links a { text-decoration: none; color: var(--color-ink-soft); }
.footer-links a:hover { color: var(--color-primary); }
.footer-note { max-width: 640px; margin: 0 auto; }

/* ---------- Hero ---------- */
.hero { text-align: center; max-width: 640px; margin: 0 auto var(--space-6); }
.hero-eyebrow {
  display: inline-block; padding: 6px 14px; border-radius: 999px;
  background: var(--color-primary-soft); color: var(--color-primary);
  font-size: 12px; font-weight: 700; letter-spacing: 0.02em; text-transform: uppercase;
  margin-bottom: var(--space-4);
}
.hero h1 { font-size: clamp(28px, 4vw, 40px); margin: 0 0 var(--space-3); color: var(--color-primary); }
.hero p { color: var(--color-ink-soft); font-size: 16px; margin: 0; }

/* ---------- Cards ---------- */
.setup-card, .tool-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: var(--space-6);
  max-width: 720px;
  margin: 0 auto;
}
.setup-card h2, .tool-card h2 { margin: 0 0 var(--space-2); font-size: 22px; color: var(--color-primary); }
.tool-sub { color: var(--color-muted); margin: 0 0 var(--space-5); font-size: 14px; }

.field-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4);
  margin-bottom: var(--space-5);
}
.field { display: flex; flex-direction: column; gap: var(--space-2); font-size: 13px; font-weight: 600; color: var(--color-ink-soft); }
.field-note { font-size: 13px; color: var(--color-muted); }

input, select {
  height: var(--control-h);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-ink);
  padding: 0 var(--space-3);
  font-size: 15px;
  font-family: inherit;
  width: 100%;
}
input:disabled, select:disabled { opacity: 0.55; cursor: not-allowed; }
input:focus, select:focus { border-color: var(--color-primary-2); }

.setup-status { min-height: 20px; margin: var(--space-2) 0 var(--space-4); }
.setup-status__text { font-size: 13px; color: var(--color-ink-soft); margin: 0; }
.setup-status__text--warn { color: var(--color-warn); }

.row-actions { display: flex; align-items: center; gap: var(--space-3); flex-wrap: wrap; margin-top: var(--space-2); }
.setup-hint { font-size: 12px; color: var(--color-muted); }

.btn {
  height: 44px; padding: 0 var(--space-5); border-radius: var(--radius-sm);
  font-size: 14px; font-weight: 700; cursor: pointer; border: 1px solid transparent;
  font-family: inherit;
}
.btn--primary { background: var(--color-primary); color: #fff; }
.btn--primary:hover { background: var(--color-primary-2); }
.btn--primary:disabled { background: var(--color-border); color: var(--color-muted); cursor: not-allowed; }
.btn--ghost { background: var(--color-surface-2); color: var(--color-ink); border-color: var(--color-border); }
.btn--ghost:hover { background: var(--color-primary-soft); }
.btn--text { background: transparent; color: var(--color-primary-2); }
.btn--text:hover { text-decoration: underline; }

/* ---------- Profile bar ---------- */
.profile-bar {
  display: flex; align-items: center; justify-content: space-between; gap: var(--space-4);
  background: var(--color-primary-soft);
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-5);
  margin-bottom: var(--space-6);
  flex-wrap: wrap;
}
.profile-bar__label { display: block; font-size: 11px; text-transform: uppercase; letter-spacing: 0.03em; color: var(--color-primary-2); font-weight: 700; }
.profile-bar__uni { display: block; font-size: 17px; color: var(--color-ink); margin: 2px 0; }
.profile-bar__system { display: block; font-size: 12px; color: var(--color-ink-soft); }
.profile-bar__actions { display: flex; gap: var(--space-2); flex-wrap: wrap; }

/* ---------- Tools grid ---------- */
.tools-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-4);
  margin-bottom: var(--space-6);
}
.tool-tile {
  display: flex; align-items: center; justify-content: center; gap: var(--space-2); text-align: center;
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-md); padding: var(--space-4);
  text-decoration: none; color: var(--color-ink); font-weight: 700; font-size: 14px;
  min-height: 64px;
  box-shadow: var(--shadow-sm);
}
.tool-tile__icon { font-size: 18px; line-height: 1; flex: none; }
.tool-tile:hover { border-color: var(--color-primary-2); }
.tool-tile.is-active { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }

.tool-host { max-width: 720px; margin: 0 auto; }

/* ---------- Course / grading rows ---------- */
.course-rows, .grading-rows { display: flex; flex-direction: column; gap: var(--space-2); margin-bottom: var(--space-4); }
.course-row, .grading-row {
  display: grid; align-items: center; gap: var(--space-2);
}
.course-row { grid-template-columns: 2fr 1fr 1fr auto; }
.grading-row { grid-template-columns: 2fr 1fr 1fr auto; }
.course-row--head, .grading-row--head { font-size: 12px; color: var(--color-muted); font-weight: 700; }
.row-remove {
  height: 40px; width: 40px; border-radius: var(--radius-sm); border: 1px solid var(--color-border);
  background: var(--color-surface); color: var(--color-danger); cursor: pointer; font-size: 15px;
}
.row-remove:hover { background: #fbeceb; }

.segmented { display: inline-flex; border: 1px solid var(--color-border); border-radius: 999px; padding: 3px; margin-bottom: var(--space-5); }
.segmented__btn {
  border: 0; background: transparent; padding: 8px 16px; border-radius: 999px; cursor: pointer;
  font-size: 13px; font-weight: 700; color: var(--color-ink-soft); font-family: inherit;
}
.segmented__btn.is-active { background: var(--color-primary); color: #fff; }

/* ---------- Results ---------- */
.result-box { min-height: 24px; }
.result-headline {
  display: flex; align-items: baseline; justify-content: space-between; gap: var(--space-3);
  background: var(--color-primary-soft); border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-5); margin: var(--space-3) 0;
}
.result-label { font-size: 13px; font-weight: 700; color: var(--color-primary-2); text-transform: uppercase; letter-spacing: 0.02em; }
.result-value { font-size: 28px; font-weight: 800; color: var(--color-primary); font-variant-numeric: tabular-nums; }
.result-meta { display: flex; gap: var(--space-5); font-size: 13px; color: var(--color-ink-soft); flex-wrap: wrap; }
.result-note { font-size: 13px; padding: var(--space-3); border-radius: var(--radius-sm); margin: var(--space-3) 0; }
.result-note--muted { background: var(--color-surface-2); color: var(--color-muted); }
.result-note--warn { background: #fbeceb; color: var(--color-danger); }
.tool-note { font-size: 12px; color: var(--color-muted); margin-top: var(--space-4); }

/* ---------- RTL ---------- */
[dir="rtl"] .brand, [dir="rtl"] .profile-bar, [dir="rtl"] .row-actions,
[dir="rtl"] .footer-links, [dir="rtl"] .profile-bar__actions { direction: rtl; }
[dir="rtl"] .result-headline { direction: rtl; }
[dir="rtl"] .row-remove { transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .field-grid { grid-template-columns: 1fr; }
  .tools-grid { grid-template-columns: repeat(2, 1fr); }
  .tools-grid--advanced { grid-template-columns: repeat(2, 1fr); }
  .tools-grid--info { grid-template-columns: 1fr; }
  .dash-grid { grid-template-columns: repeat(2, 1fr); }
  .course-row, .grading-row { grid-template-columns: 1fr 70px 90px auto; }
}

@media (max-width: 480px) {
  main#mainContent { padding: var(--space-5) var(--space-3) var(--space-6); }
  .setup-card, .tool-card { padding: var(--space-4); }
  .tools-grid { grid-template-columns: 1fr 1fr; gap: var(--space-3); }
  .tools-grid--advanced { grid-template-columns: 1fr 1fr; }
  .profile-bar { flex-direction: column; align-items: flex-start; }
  .course-row, .grading-row { grid-template-columns: 1fr; }
  .course-row--head, .grading-row--head { display: none; }
  .row-remove { justify-self: end; }
}

/* ---------- Academic Grade Tools reference homepage ---------- */
:root {
  --color-ink: #172033;
  --color-ink-soft: #41506a;
  --color-muted: #58657a;
  --color-bg: #e9eff6;
  --color-surface: #ffffff;
  --color-surface-2: #edf2f8;
  --color-border: #d7e0eb;
  --color-primary: #172033;
  --color-primary-2: #32425b;
  --control-h: 54px;
  --container-w: 1100px;
  --radius-sm: 8px;
  --radius-lg: 15px;
}

body {
  min-width: 320px;
  background: #f7f9fc;
  color: var(--color-ink);
}

#app {
  width: min(100% - 10px, 1100px);
  min-height: calc(100vh - 16px);
  margin: 16px auto 0;
  padding: 62px 24px 30px;
  border: 1px solid #cfd9e5;
  border-radius: 14px 14px 0 0;
  background: #e8eef5;
  box-shadow: 0 1px 2px rgba(20, 31, 48, .04);
}

.site-header {
  position: static;
  padding: 16px 6px 28px;
  border: 0;
  background: transparent;
}

.brand { gap: 15px; }
.brand-mark {
  display: grid;
  place-items: center;
  width: 54px;
  height: 54px;
  border-radius: 17px;
  background: #172033;
  color: #fff;
  font-size: 24px;
  box-shadow: 0 12px 22px rgba(23, 32, 51, .18);
}
.brand-text strong {
  font-size: 29px;
  line-height: 1.1;
  color: #172033;
  letter-spacing: -.035em;
}
.brand-text small {
  margin-top: 4px;
  color: #41506a;
  font-size: 17px;
}

.header-actions { gap: 10px; }
.icon-link,
.lang-switcher,
.demo-student {
  height: 44px;
  border: 1px solid #d4deea;
  border-radius: 7px;
  background: #edf2f8;
  box-shadow: 0 1px 3px rgba(27, 39, 58, .06);
}
.icon-link {
  width: 44px;
  color: #213049;
  font-size: 20px;
}
.lang-switcher {
  position: relative;
  display: flex;
  align-items: center;
  min-width: 180px;
  padding-left: 42px;
}
.lang-icon {
  position: absolute;
  left: 15px;
  z-index: 1;
  color: #263650;
  font-size: 21px;
}
.lang-switcher select {
  height: 42px;
  border: 0;
  background: transparent;
  font-size: 16px;
  padding: 0 35px 0 10px;
}
.demo-student {
  padding: 0 16px;
  color: #1d2940;
  font: 600 14px var(--font-sans);
  cursor: pointer;
}
.demo-student span { margin-right: 7px; font-size: 19px; }

main#mainContent {
  max-width: none;
  margin: 0;
  padding: 0;
}
.setup-host { width: 100%; }
.setup-card {
  max-width: none;
  margin: 0;
  padding: 25px;
  border: 1px solid #e4eaf2;
  border-radius: 15px;
  background: #fff;
  box-shadow: 0 1px 2px rgba(21, 32, 50, .06);
}
.context-title,
.editor-title {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #172033;
  font-size: 15px;
}
.context-title { margin-bottom: 20px; }
.context-title strong,
.editor-title strong { font-size: 17px; }
.context-title span:last-child,
.editor-title span:last-child {
  color: #41506a;
  font-size: 14px;
}
.context-grid {
  gap: 14px;
  margin: 0;
}
.context-grid .field:last-child { grid-column: 1; }
.field {
  gap: 7px;
  color: #43516a;
}
.field > span {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .12em;
}
input,
select {
  height: 54px;
  border-color: #d5dfeb;
  border-radius: 7px;
  background: #fff;
  padding: 0 14px;
  font-size: 16px;
  box-shadow: 0 1px 2px rgba(21, 32, 50, .05);
}

.grading-editor {
  margin-top: 24px;
  padding: 20px;
  border: 1px solid #d6e0eb;
  border-radius: 14px;
  background: #edf2f8;
}
.editor-title { margin-bottom: 15px; }
.editor-meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 14px;
}
.editor-meta input { height: 44px; background: #f3f6fa; }
.grade-table {
  overflow: hidden;
  border: 1px solid #dbe3ed;
  border-radius: 8px;
  background: #f4f7fb;
}
.grade-head,
.grade-row {
  display: grid;
  grid-template-columns: minmax(180px, 1fr) 84px 78px 54px;
  align-items: center;
  gap: 7px;
}
.grade-head {
  height: 35px;
  padding: 0 10px;
  background: #dfe7f2;
  color: #384760;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .04em;
}
.grade-scroll {
  max-height: 248px;
  overflow-y: auto;
  scrollbar-color: #858585 #f2f5f9;
  scrollbar-width: auto;
}
.grade-row {
  padding: 6px 10px;
  border-bottom: 1px solid #dfe6ef;
}
.grade-row:last-child { border-bottom: 0; }
.grade-row input {
  height: 39px;
  background: #f1f5fa;
  font-size: 15px;
}
.grade-row button {
  width: 38px;
  height: 38px;
  border: 0;
  background: transparent;
  color: #30415a;
  font-size: 25px;
  cursor: pointer;
}
.add-grade {
  margin-top: 17px;
  border: 0;
  background: transparent;
  color: #33445e;
  font: 600 14px var(--font-sans);
  cursor: pointer;
}
.setup-confirm-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-top: 20px;
  padding: 18px 20px;
  border: 1px solid #cbd8e8;
  border-radius: 12px;
  background: #f7f9fc;
}
.setup-confirm-row div {
  display: grid;
  gap: 4px;
}
.setup-confirm-row strong {
  color: #172033;
  font-size: 15px;
}
.setup-confirm-row span {
  color: #52617a;
  font-size: 13px;
}
.setup-confirm-row .btn {
  flex: 0 0 auto;
  min-width: 230px;
}
.transcript-dropzone {
  display: grid;
  justify-items: center;
  gap: 6px;
  margin: 16px 0;
  padding: 28px 18px;
  border: 2px dashed #b8c7da;
  border-radius: 12px;
  background: #f7f9fc;
  color: #172033;
  text-align: center;
  cursor: pointer;
  transition: border-color .18s ease, background .18s ease, transform .18s ease;
}
.transcript-dropzone:hover,
.transcript-dropzone.is-dragging {
  border-color: var(--color-primary-2);
  background: var(--color-primary-soft);
  transform: translateY(-1px);
}
.transcript-dropzone > span:not(.transcript-upload-icon) {
  color: #52617a;
  font-size: 13px;
}
.transcript-privacy-note {
  margin: -8px 0 14px;
  color: #52617a;
  font-size: 12px;
  line-height: 1.45;
  text-align: center;
}
.transcript-upload-icon {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 50%;
  background: #172033;
  color: #fff;
  font-size: 23px;
}
.transcript-or {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 15px 0;
  color: #6b778c;
  font-size: 12px;
}
.transcript-or::before,
.transcript-or::after {
  content: "";
  height: 1px;
  flex: 1;
  background: #dbe3ed;
}
.transcript-file-ready {
  color: #087f5b;
  font-weight: 700;
}

/* ---------- Compact table and cell fitting ---------- */
table,
.intl-table,
.record-table {
  width: 100%;
  table-layout: auto;
  border-spacing: 0;
  font-size: 12.5px;
  line-height: 1.2;
  font-variant-numeric: tabular-nums;
}
.intl-table {
  margin: 10px 0;
}
.intl-table th,
.intl-table td,
table th,
table td {
  height: 32px;
  padding: 5px 8px;
  vertical-align: middle;
  white-space: nowrap;
}
.intl-table th,
table th {
  font-size: 10.5px;
  line-height: 1.15;
  letter-spacing: .025em;
}
.intl-table td:nth-child(3),
.record-table td:nth-child(3),
.intl-table th:nth-child(3),
.record-table th:nth-child(3) {
  min-width: 120px;
  max-width: 240px;
  white-space: normal;
  overflow-wrap: anywhere;
}
.record-table {
  min-width: 610px;
}
.record-table-wrap {
  max-height: 350px;
}
.record-badge {
  padding: 2px 5px;
  font-size: 9.5px;
  white-space: nowrap;
}
.course-rows,
.grading-rows {
  gap: 5px;
}
.course-row,
.grading-row {
  gap: 6px;
}
.course-row input,
.course-row select,
.grading-row input,
.grading-row select {
  height: 38px;
  min-width: 0;
  padding: 0 9px;
  font-size: 13px;
}
.course-row--head,
.grading-row--head {
  font-size: 10.5px;
  line-height: 1.15;
}
.row-remove {
  width: 36px;
  height: 36px;
}
.grade-head,
.grade-row {
  grid-template-columns: minmax(140px, 1fr) 72px 68px 38px;
  gap: 5px;
}
.grade-head {
  height: 30px;
  padding: 0 7px;
  font-size: 10px;
}
.grade-row {
  padding: 4px 7px;
}
.grade-row input {
  height: 33px;
  padding: 0 8px;
  font-size: 13px;
}
.grade-row button {
  width: 32px;
  height: 32px;
  font-size: 21px;
}
.saved-course-list p,
.history-row {
  padding-top: 6px;
  padding-bottom: 6px;
  font-size: 12px;
}

@media (max-width: 720px) {
  .intl-table th,
  .intl-table td,
  table th,
  table td {
    height: 29px;
    padding: 4px 6px;
  }
  .record-table {
    min-width: 560px;
  }
}
.site-footer { display: block; }

@media (max-width: 760px) {
  #app { margin-top: 0; padding: 22px 14px; border-radius: 0; }
  .site-header { align-items: flex-start; flex-direction: column; padding-bottom: 20px; }
  .brand-text strong { font-size: 24px; }
  .brand-text small { font-size: 14px; }
  .header-actions { width: 100%; flex-wrap: wrap; }
  .lang-switcher { flex: 1; min-width: 150px; }
  .demo-student { flex: 1; }
  .context-grid { grid-template-columns: 1fr; }
  .context-grid .field:last-child { grid-column: auto; }
  .setup-card { padding: 18px; }
  .editor-meta { grid-template-columns: 1fr; }
  .setup-confirm-row { align-items: stretch; flex-direction: column; }
  .setup-confirm-row .btn { width: 100%; min-width: 0; }
  .grade-head,
  .grade-row { grid-template-columns: minmax(110px, 1fr) 70px 70px 40px; }
}

/* ---------- Launch-readiness, accessibility, RTL, and mobile ---------- */
.skip-link {
  position: fixed;
  inset-block-start: 8px;
  inset-inline-start: 8px;
  z-index: 1000;
  padding: 10px 14px;
  border-radius: 8px;
  background: #111c31;
  color: #fff;
  text-decoration: none;
  transform: translateY(-160%);
}
.skip-link:focus { transform: translateY(0); }
.icon-link { width: auto; min-width: 44px; padding-inline: 10px; gap: 6px; }
.icon-link span { font-size: 13px; font-weight: 700; }
.consent-banner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  padding: 12px 20px;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-primary-soft);
}
.consent-banner p { max-width: 760px; margin: 0; font-size: 13px; }
.consent-banner > div { display: flex; gap: 8px; flex: 0 0 auto; }
.hero-trust { margin-top: 12px !important; font-size: 13px !important; font-weight: 700; }
.context-title > div { display: grid; gap: 2px; }
.setup-intro { margin: 12px 0 20px; color: var(--color-ink-soft); }
.field b { color: var(--color-danger); }
.field small { font-weight: 500; color: var(--color-muted); }
.setup-empty-state {
  display: grid;
  gap: 4px;
  padding: 18px;
  border: 1px dashed var(--color-border);
  border-radius: 12px;
  background: var(--color-surface-2);
}
.setup-empty-state span { color: var(--color-muted); font-size: 13px; }
.grading-editor > summary {
  display: grid;
  gap: 3px;
  cursor: pointer;
  min-height: 44px;
  align-content: center;
}
.grading-editor > summary span { color: var(--color-muted); font-size: 12px; font-weight: 500; }
[aria-invalid="true"] { border-color: var(--color-danger) !important; }
.bidi-token {
  direction: ltr;
  unicode-bidi: isolate;
  text-align: start;
}
.auto-direction, [dir="auto"] {
  unicode-bidi: plaintext;
  text-align: start;
}
.transcript-dropzone { position: relative; }
.transcript-file-input {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
}
.transcript-dropzone:focus-within {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}
.ocr-consent {
  margin: 16px 0;
  padding: 18px;
  border: 1px solid #e4b04b;
  border-radius: 12px;
  background: #fffaf0;
}
.ocr-consent h3 { margin-top: 0; }
.ocr-consent li { margin-block: 6px; }
.consent-check { display: flex; align-items: flex-start; gap: 10px; font-weight: 700; }
.consent-check input { flex: 0 0 22px; width: 22px; height: 22px; }
.record-table input,
.record-table select { min-width: 94px; height: 36px; font-size: 13px; }
.record-table td:nth-child(4) input { min-width: 180px; }
.record-table tr.has-error { background: color-mix(in srgb, var(--color-warn) 10%, transparent); }
.result-note strong { color: var(--color-ink); }

@media (max-width: 720px) {
  main#mainContent { padding-inline: 12px; }
  .workspace-nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    width: 100%;
  }
  .consent-banner { align-items: stretch; flex-direction: column; }
  .consent-banner > div { flex-wrap: wrap; }
  .workspace-nav a {
    width: auto;
    min-width: 0;
    justify-content: flex-start;
    padding-inline: 12px;
    font-size: 14px;
  }
  .workspace-nav a span { display: inline; }
  .workspace-subnav {
    justify-content: flex-start;
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-block-end: 4px;
  }
  .workspace-subnav a { flex: 0 0 auto; }
  .record-table-wrap { max-height: none; overflow: visible; border: 0; }
  .responsive-table,
  .responsive-table thead,
  .responsive-table tbody,
  .responsive-table tr,
  .responsive-table th,
  .responsive-table td {
    display: block;
    width: 100%;
    min-width: 0;
  }
  .responsive-table thead {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
  }
  .responsive-table tr {
    margin-block: 10px;
    padding: 10px;
    border: 1px solid var(--color-border);
    border-radius: 12px;
    background: var(--color-surface);
  }
  .responsive-table td {
    display: grid;
    grid-template-columns: minmax(90px, .7fr) minmax(0, 1.3fr);
    gap: 10px;
    min-height: 44px;
    padding: 6px;
    white-space: normal;
    font-size: 14px;
  }
  .responsive-table td::before {
    content: attr(data-label);
    color: var(--color-muted);
    font-size: 12px;
    font-weight: 800;
    text-transform: uppercase;
  }
  .responsive-table td input,
  .responsive-table td select { min-width: 0; width: 100%; }
  .grade-head { display: none; }
  .grade-row {
    grid-template-columns: minmax(0, 1fr) minmax(72px, .45fr) 40px;
    grid-template-areas:
      "name name remove"
      "points min remove";
    padding-block: 8px;
  }
  .grade-row input:nth-child(1) { grid-area: name; }
  .grade-row input:nth-child(2) { grid-area: points; }
  .grade-row input:nth-child(3) { grid-area: min; }
  .grade-row button { grid-area: remove; align-self: stretch; height: 100%; }
  .site-footer { padding-inline: 12px; }
  .footer-links a { min-height: 44px; display: inline-flex; align-items: center; }
  .subscription-summary { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 420px) {
  .workspace-nav { grid-template-columns: 1fr; }
  .preview-metrics { grid-template-columns: 1fr; }
}