:root {
  color-scheme: light;
  --bg: oklch(0.972 0.003 255);
  --surface: oklch(1 0 0);
  --surface-muted: oklch(0.955 0.006 255);
  --ink: oklch(0.23 0.025 255);
  --ink-soft: oklch(0.47 0.02 255);
  --line: oklch(0.9 0.008 255);
  --blue: oklch(0.58 0.19 252);
  --blue-dark: oklch(0.49 0.18 252);
  --blue-soft: oklch(0.95 0.03 252);
  --green: oklch(0.52 0.14 155);
  --green-soft: oklch(0.95 0.035 155);
  --red: oklch(0.53 0.19 27);
  --red-soft: oklch(0.96 0.03 27);
  --amber: oklch(0.6 0.14 65);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --shadow-sm: 0 2px 8px color-mix(in oklch, var(--ink) 8%, transparent);
  --focus: 0 0 0 3px color-mix(in oklch, var(--blue) 24%, transparent);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; background: var(--bg); color: var(--ink); font-size: 15px; line-height: 1.5; }
button, input, select, textarea { font: inherit; color: inherit; }
button, select { cursor: pointer; }
button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, a:focus-visible { outline: none; box-shadow: var(--focus); }
[hidden] { display: none !important; }

.login-shell { min-height: 100vh; display: grid; grid-template-columns: minmax(320px, 540px) 1fr; background: var(--surface); }
.login-panel { display: flex; flex-direction: column; justify-content: center; padding: clamp(32px, 7vw, 96px); max-width: 540px; }
.brand-lockup { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font-weight: 800; letter-spacing: -0.02em; }
.brand-lockup img { border-radius: 50%; object-fit: cover; }
.brand-lockup small { display: block; color: var(--ink-soft); font-size: 11px; font-weight: 650; letter-spacing: 0; }
.section-label { margin: 48px 0 8px; color: var(--blue-dark); font-size: 12px; font-weight: 800; letter-spacing: 0.08em; text-transform: uppercase; }
.login-panel h1 { margin: 0; font-size: clamp(32px, 5vw, 48px); line-height: 1.05; letter-spacing: -0.035em; }
.login-copy { margin: 18px 0 30px; color: var(--ink-soft); max-width: 50ch; }
form { display: grid; gap: 9px; }
label, legend { font-weight: 700; font-size: 13px; }
input, select, textarea { width: 100%; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--surface); padding: 11px 12px; min-height: 44px; transition: border-color 180ms ease, box-shadow 180ms ease; }
input:hover, select:hover, textarea:hover { border-color: color-mix(in oklch, var(--ink-soft) 40%, var(--line)); }
input:focus, select:focus, textarea:focus { border-color: var(--blue); }
textarea { resize: vertical; min-height: 92px; }
#pin { margin-bottom: 4px; letter-spacing: 0.32em; font-variant-numeric: tabular-nums; }
.field-help { margin: 4px 0 18px; color: var(--ink-soft); font-size: 13px; }
.form-error { margin: 0; color: var(--red); font-size: 13px; font-weight: 650; }
.login-aside { background: var(--ink); color: white; padding: clamp(40px, 8vw, 120px); display: flex; flex-direction: column; justify-content: flex-end; position: relative; overflow: hidden; }
.login-aside::before { content: ""; position: absolute; width: 420px; height: 420px; border-radius: 50%; top: -160px; right: -120px; background: color-mix(in oklch, var(--blue) 65%, transparent); filter: blur(1px); }
.aside-mark { margin: 0 0 20px; font-weight: 900; font-size: 90px; line-height: 0.8; color: color-mix(in oklch, white 14%, transparent); letter-spacing: -0.05em; }
.login-aside h2 { position: relative; max-width: 14ch; margin: 0; font-size: clamp(34px, 5vw, 64px); line-height: 1; letter-spacing: -0.04em; text-wrap: balance; }
.login-aside ul { position: relative; margin: 34px 0 0; padding: 0; list-style: none; display: grid; gap: 10px; color: oklch(0.84 0.015 255); }
.login-aside li::before { content: "✓"; color: oklch(0.77 0.16 150); margin-right: 10px; font-weight: 900; }

.button { min-height: 42px; border: 0; border-radius: 999px; padding: 9px 16px; display: inline-flex; align-items: center; justify-content: center; gap: 8px; font-weight: 750; font-size: 14px; transition: background 180ms ease, color 180ms ease, transform 120ms ease; }
.button:active { transform: translateY(1px); }
.button:disabled { cursor: not-allowed; opacity: 0.55; }
.button-primary { background: var(--blue); color: white; }
.button-primary:hover { background: var(--blue-dark); }
.button-secondary { background: var(--surface-muted); color: var(--ink); }
.button-secondary:hover, .button-quiet:hover { background: var(--line); }
.button-quiet { background: transparent; color: var(--ink-soft); }
.button-danger { background: var(--red); color: white; }
.button-danger:hover { background: color-mix(in oklch, var(--red) 86%, black); }
.button-block { width: 100%; margin-top: 10px; }
.text-button { border: 0; background: transparent; color: var(--blue-dark); font-weight: 750; padding: 4px; }
.text-button:hover { text-decoration: underline; }

.app-header { position: sticky; top: 0; z-index: 20; height: 68px; display: flex; align-items: center; justify-content: space-between; padding: 0 max(24px, calc((100vw - 1440px) / 2)); background: color-mix(in oklch, var(--surface) 94%, transparent); border-bottom: 1px solid var(--line); backdrop-filter: blur(12px); }
.header-actions { display: flex; align-items: center; gap: 20px; }
.reviewer { display: flex; align-items: center; gap: 9px; }
.reviewer > span:last-child { display: grid; line-height: 1.2; }
.reviewer small { color: var(--ink-soft); font-size: 11px; }
.reviewer strong { font-size: 13px; }
.reviewer-avatar { width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center; background: var(--ink); color: white; font-size: 11px; font-weight: 800; }
.save-status { display: inline-flex; align-items: center; gap: 7px; color: var(--ink-soft); font-size: 13px; }
.save-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green); }
.save-status.saving .save-dot { background: var(--amber); animation: pulse 1s ease-in-out infinite; }
.save-status.error { color: var(--red); }
.save-status.error .save-dot { background: var(--red); }

.app-main { max-width: 1440px; margin: 0 auto; padding: 48px 24px 80px; }
.intro { display: grid; grid-template-columns: minmax(360px, 0.9fr) minmax(420px, 1.1fr); gap: 64px; align-items: end; }
.intro .section-label { margin-top: 0; }
.intro h1 { margin: 0; font-size: 42px; line-height: 1.08; letter-spacing: -0.035em; text-wrap: balance; }
.intro > p { margin: 0; color: var(--ink-soft); font-size: 16px; max-width: 68ch; text-wrap: pretty; }
.catalog-notice { margin-top: 26px; display: flex; align-items: center; gap: 15px; padding: 18px 20px; border: 1px solid color-mix(in oklch, var(--blue) 24%, var(--line)); border-radius: var(--radius-md); background: var(--blue-soft); }
.catalog-notice-icon { flex: 0 0 auto; min-width: 50px; min-height: 50px; border-radius: 50%; display: grid; place-items: center; background: var(--blue); color: white; font-size: 12px; font-weight: 900; letter-spacing: 0.05em; }
.catalog-notice strong { display: block; font-size: 16px; }
.catalog-notice p { margin: 3px 0 0; color: var(--ink-soft); font-size: 13px; }

.progress-panel { margin-top: 34px; background: var(--ink); color: white; border-radius: var(--radius-lg); padding: 24px 28px; display: grid; grid-template-columns: auto minmax(160px, 1fr) auto; align-items: center; gap: 30px; }
.progress-copy { display: flex; align-items: center; gap: 13px; min-width: 190px; }
.progress-copy > span { font-size: 34px; font-weight: 850; letter-spacing: -0.04em; }
.progress-copy > div { display: grid; line-height: 1.25; }
.progress-copy strong { font-size: 13px; }
.progress-copy div span { color: oklch(0.75 0.012 255); font-size: 12px; }
.progress-track { height: 8px; background: oklch(0.36 0.022 255); border-radius: 999px; overflow: hidden; }
.progress-track span { display: block; height: 100%; width: 0; border-radius: inherit; background: var(--blue); transition: width 220ms ease; }
.metric-list { margin: 0; display: flex; align-items: center; gap: 26px; }
.metric-list div { display: grid; text-align: right; }
.metric-list dt { color: oklch(0.75 0.012 255); font-size: 11px; }
.metric-list dd { margin: 0; font-size: 20px; font-weight: 800; }

.workspace { margin-top: 34px; display: grid; grid-template-columns: 250px minmax(0, 1fr); gap: 28px; align-items: start; }
.filter-panel { position: sticky; top: 94px; background: var(--surface); border-radius: var(--radius-md); padding: 20px; box-shadow: var(--shadow-sm); display: grid; gap: 14px; }
.filter-heading { display: flex; align-items: center; justify-content: space-between; }
.filter-heading h2, .catalog-toolbar h2 { margin: 0; font-size: 19px; letter-spacing: -0.02em; }
.search-field { position: relative; }
.search-field svg { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); width: 18px; fill: none; stroke: var(--ink-soft); stroke-width: 2; }
.search-field input { padding-left: 38px; }
fieldset { border: 0; padding: 0; margin: 4px 0 0; }
legend { margin-bottom: 8px; }
.filter-options { display: grid; gap: 5px; }
.filter-option { width: 100%; min-height: 38px; border: 0; border-radius: var(--radius-sm); background: transparent; display: flex; align-items: center; justify-content: space-between; padding: 7px 9px; color: var(--ink-soft); text-align: left; }
.filter-option:hover { background: var(--surface-muted); color: var(--ink); }
.filter-option.active { background: var(--blue-soft); color: var(--blue-dark); font-weight: 800; }
.filter-count { min-width: 24px; text-align: center; font-size: 11px; background: color-mix(in oklch, var(--ink) 7%, transparent); border-radius: 999px; padding: 2px 6px; }
.isolation-note { border-radius: var(--radius-sm); background: var(--surface-muted); padding: 12px; display: grid; gap: 3px; }
.isolation-note strong { font-size: 12px; }
.isolation-note span { color: var(--ink-soft); font-size: 11px; }

.catalog-panel { min-width: 0; }
.catalog-toolbar { display: flex; justify-content: space-between; align-items: end; margin-bottom: 14px; }
.catalog-toolbar p { margin: 2px 0 0; color: var(--ink-soft); font-size: 13px; }
.mobile-filter-row { display: none; }
.exercise-list { display: grid; gap: 16px; }
.exercise-card { background: var(--surface); border-radius: var(--radius-md); box-shadow: var(--shadow-sm); overflow: clip; }
.exercise-heading { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 18px 20px; border-bottom: 1px solid var(--line); }
.exercise-title-line { display: flex; align-items: center; gap: 12px; min-width: 0; }
.exercise-number { width: 42px; height: 42px; flex: 0 0 42px; border-radius: var(--radius-sm); display: grid; place-items: center; background: var(--surface-muted); color: var(--ink-soft); font-size: 12px; font-weight: 850; font-variant-numeric: tabular-nums; }
.exercise-group { margin: 0 0 1px; color: var(--blue-dark); font-size: 11px; font-weight: 750; }
.exercise-name { margin: 0; font-size: 19px; line-height: 1.2; letter-spacing: -0.02em; text-wrap: pretty; }
.status-badge { flex: 0 0 auto; border-radius: 999px; padding: 5px 9px; font-size: 11px; font-weight: 800; }
.status-badge.pending { background: var(--surface-muted); color: var(--ink-soft); }
.status-badge.approved { background: var(--green-soft); color: var(--green); }
.status-badge.rejected { background: var(--red-soft); color: var(--red); }
.exercise-body { display: grid; grid-template-columns: minmax(260px, 360px) 1fr; gap: 0; }
.media-frame { margin: 0; padding: 18px 20px; background: oklch(0.985 0.002 255); border-right: 1px solid var(--line); display: grid; align-content: center; min-height: 250px; }
.exercise-gif { width: 100%; height: 210px; object-fit: contain; display: block; background: white; border-radius: var(--radius-sm); }
.media-frame figcaption { text-align: center; margin-top: 7px; color: var(--ink-soft); font-size: 11px; }
.media-fallback { min-height: 210px; place-content: center; text-align: center; background: var(--red-soft); border-radius: var(--radius-sm); color: var(--red); }
.media-fallback:not([hidden]) { display: grid; }
.media-fallback span { font-size: 12px; }
.exercise-content { padding: 20px; }
.exercise-metadata { margin: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 13px 24px; }
.exercise-metadata div { min-width: 0; }
.exercise-metadata dt { color: var(--ink-soft); font-size: 11px; font-weight: 700; }
.exercise-metadata dd { margin: 2px 0 0; font-size: 13px; font-weight: 650; overflow-wrap: anywhere; }
.dosage-note { margin-top: 17px; padding-top: 14px; border-top: 1px solid var(--line); display: grid; gap: 2px; }
.dosage-note strong { font-size: 12px; }
.dosage-note span, .exercise-instruction { color: var(--ink-soft); font-size: 12px; }
.exercise-instruction { margin: 10px 0 0; }
.review-controls { padding: 18px 20px 20px; background: var(--surface-muted); border-top: 1px solid var(--line); }
.name-review-panel { margin-bottom: 18px; padding: 18px; border-radius: var(--radius-md); background: var(--blue-soft); }
.name-review-heading { display: flex; justify-content: space-between; align-items: start; gap: 16px; }
.review-kicker { color: var(--blue-dark); font-size: 11px; font-weight: 800; }
.name-review-heading h4 { margin: 2px 0 0; font-size: 17px; letter-spacing: -0.02em; }
.name-review-status { flex: 0 0 auto; border-radius: 999px; padding: 5px 9px; background: var(--surface); color: var(--ink-soft); font-size: 11px; font-weight: 800; }
.name-review-status.completed { color: var(--green); background: var(--green-soft); }
.name-comparison { margin: 15px 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.name-comparison div { padding: 10px 12px; border-radius: var(--radius-sm); background: var(--surface); min-width: 0; }
.name-comparison dt { color: var(--ink-soft); font-size: 11px; font-weight: 700; }
.name-comparison dd { margin: 3px 0 0; font-size: 13px; font-weight: 750; overflow-wrap: anywhere; }
.correct-name-label { display: grid; gap: 6px; }
.name-review-actions { margin-top: 12px; display: flex; flex-wrap: wrap; gap: 8px; }
.name-review-note { margin: 10px 0 0; color: var(--ink-soft); font-size: 11px; }
.decision-row { display: flex; gap: 10px; }
.decision { background: var(--surface); color: var(--ink); border: 1px solid var(--line); }
.decision:hover { border-color: var(--ink-soft); }
.decision.approve-button.selected { background: var(--green); color: white; border-color: transparent; }
.decision.reject-button.selected { background: var(--red); color: white; border-color: transparent; }
.rejection-panel { margin-top: 14px; background: var(--surface); border-radius: var(--radius-sm); padding: 14px; display: grid; grid-template-columns: minmax(220px, 1fr) minmax(220px, 1fr) auto; gap: 12px; align-items: end; }
.rejection-panel label { display: grid; gap: 6px; }
.rejection-panel .form-error { grid-column: 1 / -1; }
.observation-label { display: grid; gap: 7px; margin-top: 14px; }
.observation-label > span { color: var(--ink-soft); font-size: 11px; font-weight: 500; }
.card-footer { display: flex; justify-content: space-between; margin-top: 8px; color: var(--ink-soft); font-size: 11px; }
.card-save-state.saving { color: var(--amber); }
.card-save-state.error { color: var(--red); font-weight: 700; }
.empty-state { background: var(--surface); border-radius: var(--radius-md); padding: 56px 24px; text-align: center; display: grid; justify-items: center; gap: 8px; }
.empty-state span { color: var(--ink-soft); }
.empty-state .button { margin-top: 10px; }
.pagination { display: flex; align-items: center; justify-content: center; gap: 16px; margin-top: 22px; }
.pagination span { color: var(--ink-soft); font-size: 13px; font-weight: 650; }
.final-feedback { margin-top: 42px; padding: 28px; border-radius: var(--radius-lg); background: var(--surface); box-shadow: var(--shadow-sm); }
.feedback-heading { display: flex; justify-content: space-between; align-items: start; gap: 20px; }
.feedback-heading .section-label { margin: 0 0 6px; }
.feedback-heading h2 { margin: 0; font-size: 28px; letter-spacing: -0.03em; }
.final-feedback > p { margin: 12px 0 22px; max-width: 78ch; color: var(--ink-soft); }
.final-feedback label { display: block; margin-bottom: 7px; }
.final-feedback textarea { min-height: 150px; }
.final-feedback small { display: block; margin-top: 7px; color: var(--ink-soft); }
.feedback-save-state { flex: 0 0 auto; border-radius: 999px; padding: 6px 10px; background: var(--surface-muted); color: var(--ink-soft); font-size: 12px; font-weight: 750; }
.feedback-save-state.saving { color: var(--amber); }
.feedback-save-state.saved { color: var(--green); background: var(--green-soft); }
.feedback-save-state.error { color: var(--red); background: var(--red-soft); }
.toast { position: fixed; right: 22px; bottom: 22px; z-index: 50; max-width: min(380px, calc(100vw - 44px)); background: var(--ink); color: white; border-radius: var(--radius-sm); padding: 12px 16px; box-shadow: 0 8px 24px color-mix(in oklch, var(--ink) 22%, transparent); font-weight: 650; }

@keyframes pulse { 50% { opacity: 0.35; } }

@media (max-width: 980px) {
  .login-shell { grid-template-columns: 1fr; }
  .login-panel { max-width: 620px; margin: auto; width: 100%; }
  .login-aside { display: none; }
  .intro { grid-template-columns: 1fr; gap: 18px; }
  .progress-panel { grid-template-columns: auto 1fr; }
  .metric-list { grid-column: 1 / -1; justify-content: space-between; border-top: 1px solid oklch(0.37 0.02 255); padding-top: 17px; }
  .metric-list div { text-align: left; }
  .workspace { grid-template-columns: 1fr; }
  .filter-panel { position: static; display: grid; grid-template-columns: 1fr 1fr; }
  .filter-panel fieldset, .filter-heading, .isolation-note { display: none; }
}

@media (max-width: 700px) {
  body { font-size: 14px; }
  .app-header { height: 62px; padding: 0 14px; }
  .brand-lockup img { width: 34px; height: 34px; }
  .header-actions { gap: 8px; }
  .reviewer, #logout-button, .save-status .text-button { display: none; }
  .save-status { font-size: 12px; }
  .app-main { padding: 30px 14px 60px; }
  .intro h1 { font-size: 32px; }
  .intro > p { font-size: 14px; }
  .catalog-notice { align-items: flex-start; padding: 15px; }
  .progress-panel { padding: 20px; grid-template-columns: 1fr; gap: 16px; }
  .progress-track, .metric-list { grid-column: 1; }
  .metric-list { gap: 10px; }
  .metric-list dd { font-size: 18px; }
  .filter-panel { padding: 14px; grid-template-columns: 1fr; }
  .catalog-toolbar { align-items: start; display: grid; gap: 12px; }
  .mobile-filter-row { display: flex; gap: 7px; overflow-x: auto; padding-bottom: 3px; scrollbar-width: none; }
  .mobile-filter-row::-webkit-scrollbar { display: none; }
  .mobile-filter { flex: 0 0 auto; border: 0; border-radius: 999px; min-height: 38px; padding: 7px 12px; background: var(--surface); color: var(--ink-soft); font-weight: 700; }
  .mobile-filter.active { background: var(--ink); color: white; }
  .exercise-heading { align-items: flex-start; padding: 15px; }
  .exercise-title-line { align-items: flex-start; }
  .exercise-number { width: 36px; height: 36px; flex-basis: 36px; }
  .exercise-name { font-size: 17px; }
  .status-badge { font-size: 10px; }
  .exercise-body { grid-template-columns: 1fr; }
  .media-frame { border-right: 0; border-bottom: 1px solid var(--line); min-height: auto; padding: 14px; }
  .exercise-gif { height: 220px; }
  .exercise-content { padding: 16px; }
  .exercise-metadata { grid-template-columns: 1fr 1fr; gap: 12px; }
  .review-controls { padding: 15px; }
  .decision-row { display: grid; grid-template-columns: 1fr 1fr; }
  .name-review-heading, .name-review-actions { display: grid; }
  .name-review-status { justify-self: start; }
  .name-comparison { grid-template-columns: 1fr; }
  .decision { padding-inline: 8px; }
  .rejection-panel { grid-template-columns: 1fr; }
  .pagination { justify-content: space-between; }
  .final-feedback { margin-top: 30px; padding: 20px 16px; }
  .feedback-heading { display: grid; gap: 10px; }
  .feedback-heading h2 { font-size: 24px; }
  .toast { left: 14px; right: 14px; bottom: 14px; max-width: none; }
}

@media (max-width: 380px) {
  .exercise-metadata { grid-template-columns: 1fr; }
  .decision-row { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}