:root {
  --ink: #102f38;
  --ink-soft: #35515a;
  --muted: #687b81;
  --paper: #ffffff;
  --field: #f5f7f8;
  --line: #d8e0e2;
  --line-strong: #b9c8cc;
  --teal: #0d6f70;
  --teal-dark: #075655;
  --teal-soft: #dceeed;
  --blue: #3b6480;
  --amber: #9c6714;
  --amber-soft: #fff2d3;
  --red: #a83c32;
  --red-soft: #fae8e6;
  --green: #33745b;
  --green-soft: #e3f2eb;
  --shadow: 0 18px 45px rgba(15, 47, 56, 0.11);
  --sans: "Avenir Next", Avenir, "Segoe UI", system-ui, sans-serif;
  --display: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; }

html { min-height: 100%; background: var(--field); color-scheme: light; }

body {
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(90deg, rgba(18, 63, 73, 0.025) 1px, transparent 1px) 0 0 / 48px 48px,
    linear-gradient(rgba(18, 63, 73, 0.025) 1px, transparent 1px) 0 0 / 48px 48px,
    var(--field);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

button, input, textarea { font: inherit; }
button { cursor: pointer; }
button:disabled { cursor: not-allowed; opacity: 0.55; }
a { color: var(--teal-dark); }

:focus-visible {
  outline: 3px solid rgba(13, 111, 112, 0.35);
  outline-offset: 3px;
}

.shell { min-height: 100vh; }

.topbar {
  position: sticky;
  z-index: 20;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 68px;
  padding: 10px max(18px, calc((100vw - 1180px) / 2));
  border-bottom: 1px solid rgba(216, 224, 226, 0.9);
  background: rgba(255, 255, 255, 0.93);
  backdrop-filter: blur(14px);
}

.brand { display: flex; align-items: center; gap: 11px; min-width: 0; }
.cmc-banner { display: block; width: 136px; height: auto; }
.cmc-banner-frame { display: inline-flex; padding: 5px 7px; border-radius: 6px; background: white; }
.cmc-banner-frame .cmc-banner { width: 158px; }
.brand-divider { width: 1px; height: 31px; flex: 0 0 1px; background: var(--line); }
.brand-copy strong { display: block; font-size: 15px; letter-spacing: 0.01em; }
.brand-copy span { display: block; color: var(--muted); font-size: 12px; white-space: nowrap; }

.top-actions { display: flex; align-items: center; gap: 8px; }
.user-name { color: var(--ink-soft); font-size: 13px; }

.test-ribbon {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 34px;
  padding: 7px 18px;
  color: #664407;
  background: var(--amber-soft);
  border-bottom: 1px solid #efd7a5;
  font-size: 13px;
  font-weight: 650;
  text-align: center;
}

.test-ribbon::before {
  content: "TEST";
  padding: 2px 7px;
  border: 1px solid currentColor;
  border-radius: 3px;
  font: 700 10px/1.2 var(--mono);
  letter-spacing: 0.12em;
}

.page { width: min(1180px, calc(100% - 36px)); margin: 0 auto; padding: 42px 0 88px; }
.page.narrow { width: min(760px, calc(100% - 28px)); }
.stack { display: flex; flex-direction: column; }
.gap-6 { gap: 6px; }
.gap-8 { gap: 8px; }
.gap-12 { gap: 12px; }
.gap-16 { gap: 16px; }
.gap-20 { gap: 20px; }
.gap-28 { gap: 28px; }
.row { display: flex; align-items: center; gap: 12px; }
.row.between { justify-content: space-between; }
.row.wrap { flex-wrap: wrap; }

h1, h2, h3, h4, p { margin: 0; }
h1, h2 { font-family: var(--display); font-weight: 600; letter-spacing: -0.025em; }
h1 { font-size: clamp(34px, 6vw, 58px); line-height: 1.02; }
h2 { font-size: clamp(27px, 4vw, 38px); line-height: 1.1; }
h3 { font-size: 18px; line-height: 1.3; }
h4 { font-size: 15px; line-height: 1.35; }
.eyebrow { color: var(--teal-dark); font: 700 11px/1.2 var(--mono); letter-spacing: 0.13em; text-transform: uppercase; }
.lede { max-width: 64ch; color: var(--ink-soft); font-size: 17px; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.micro { font-size: 11px; }
.mono { font-family: var(--mono); font-variant-numeric: tabular-nums; }

.card {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--paper);
  box-shadow: 0 2px 12px rgba(15, 47, 56, 0.035);
}
.card-pad { padding: 22px; }
.card.soft { background: #f9fbfb; }

.login-page {
  display: grid;
  min-height: 100vh;
  grid-template-columns: minmax(0, 1.08fr) minmax(390px, 0.92fr);
}

.login-story {
  position: relative;
  display: flex;
  min-height: 100vh;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
  padding: clamp(42px, 7vw, 88px);
  color: white;
  background: var(--ink);
}
.login-story::after {
  position: absolute;
  right: -120px;
  bottom: -120px;
  width: 430px;
  height: 430px;
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 50%;
  box-shadow: 0 0 0 52px rgba(255,255,255,.035), 0 0 0 104px rgba(255,255,255,.025);
  content: "";
}
.login-story .brand-divider { background: rgba(255,255,255,.26); }
.login-story .brand-copy strong { color: white; }
.login-story .brand-copy span { color: rgba(255,255,255,.62); }
.story-copy { position: relative; z-index: 1; max-width: 620px; }
.story-copy h1 { margin-bottom: 24px; }
.story-copy p { max-width: 50ch; color: rgba(255,255,255,.72); font-size: 18px; }
.story-code { display: flex; gap: 8px; margin: 34px 0 0; }
.story-code span {
  display: grid;
  width: clamp(43px, 5vw, 58px);
  aspect-ratio: .82;
  place-items: center;
  border: 1px solid rgba(255,255,255,.28);
  border-radius: 9px;
  background: rgba(255,255,255,.07);
  font: 600 clamp(22px, 3vw, 32px)/1 var(--mono);
}
.story-foot { position: relative; z-index: 1; color: rgba(255,255,255,.55); font: 12px/1.5 var(--mono); }

.login-panel { display: grid; place-items: center; padding: 36px; background: var(--field); }
.login-form { width: min(420px, 100%); }
.login-institution { display: none; }
.form-field { display: flex; flex-direction: column; gap: 7px; }
.form-field label { color: var(--ink-soft); font-size: 13px; font-weight: 650; }
.text-input, textarea, select {
  width: 100%;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background: white;
  color: var(--ink);
  padding: 13px 14px;
  transition: border-color 130ms ease, box-shadow 130ms ease;
}
.text-input:focus, textarea:focus, select:focus { border-color: var(--teal); box-shadow: 0 0 0 3px rgba(13,111,112,.1); outline: none; }
textarea { min-height: 104px; resize: vertical; }

.button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 17px;
  border: 1px solid transparent;
  border-radius: 9px;
  background: var(--teal);
  color: white;
  font-weight: 700;
  text-decoration: none;
}
.button:hover:not(:disabled) { background: var(--teal-dark); }
.button.secondary { border-color: var(--line-strong); background: white; color: var(--ink); }
.button.secondary:hover:not(:disabled) { background: var(--field); }
.button.quiet { min-height: 36px; padding: 6px 10px; border-color: transparent; background: transparent; color: var(--ink-soft); }
.button.danger { background: var(--red); }
.button.danger:hover:not(:disabled) { background: #843029; }
.button.wide { width: 100%; }

.demo-box { padding: 15px; border: 1px dashed var(--line-strong); border-radius: 10px; background: rgba(255,255,255,.58); }
.demo-line { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 6px 0; }
.demo-line code { color: var(--teal-dark); font: 600 12px/1.3 var(--mono); }

.hero { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; margin-bottom: 30px; }
.hero-copy { display: flex; max-width: 760px; flex-direction: column; gap: 10px; }

.metric-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.metric { min-height: 124px; padding: 18px; }
.metric-value { margin-top: 18px; font: 600 32px/1 var(--mono); letter-spacing: -0.04em; }
.metric-label { color: var(--muted); font-size: 12px; }

.code-station {
  position: relative;
  overflow: hidden;
  padding: clamp(22px, 5vw, 38px);
  border: 1px solid #1e5a64;
  border-radius: 18px;
  background: var(--ink);
  color: white;
  box-shadow: var(--shadow);
}
.code-station::after {
  position: absolute;
  right: -90px;
  top: -130px;
  width: 310px;
  height: 310px;
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 50%;
  content: "";
}
.code-station .eyebrow { color: #8bd0cf; }
.code-station p { color: rgba(255,255,255,.68); }
.code-entry { position: relative; z-index: 1; display: flex; max-width: 520px; flex-direction: column; gap: 20px; }
.digit-rail { display: grid; grid-template-columns: repeat(5, minmax(44px, 65px)); gap: clamp(7px, 2vw, 11px); }
.digit {
  width: 100%;
  aspect-ratio: .85;
  border: 1px solid rgba(255,255,255,.3);
  border-radius: 10px;
  background: rgba(255,255,255,.08);
  color: white;
  text-align: center;
  font: 600 clamp(24px, 6vw, 34px)/1 var(--mono);
  caret-color: #8bd0cf;
}
.digit:focus { border-color: #8bd0cf; box-shadow: 0 0 0 3px rgba(139,208,207,.18); outline: none; }

.sync-chip, .status-chip, .format-chip {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  gap: 6px;
  padding: 4px 9px;
  border: 1px solid var(--line);
  border-radius: 99px;
  background: white;
  color: var(--ink-soft);
  font: 650 11px/1.4 var(--mono);
  letter-spacing: .02em;
}
.sync-chip::before, .status-chip::before { width: 7px; height: 7px; border-radius: 50%; background: var(--green); content: ""; }
.sync-chip.pending::before { background: var(--amber); }
.sync-chip.offline::before { background: var(--red); }
.format-chip { border-color: rgba(13,111,112,.22); background: var(--teal-soft); color: var(--teal-dark); }
.format-chip::before { display: none; }

.group-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.group-card { overflow: hidden; }
.group-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; padding: 18px 20px; border-bottom: 1px solid var(--line); }
.group-body { padding: 8px 20px 16px; }
.presentation-row { display: grid; grid-template-columns: 72px minmax(0,1fr) auto; gap: 12px; align-items: center; padding: 12px 0; border-bottom: 1px solid var(--line); }
.presentation-row:last-child { border-bottom: 0; }
.presentation-row.scored {
  margin-inline: -8px;
  padding-inline: 12px 8px;
  border-bottom-color: #c8dfd3;
  background: var(--green-soft);
  box-shadow: inset 4px 0 0 var(--green);
}
.presentation-row.scored:hover:not(:disabled) { background: #d6eadf; }
.presentation-code { color: var(--teal-dark); font: 650 13px/1.2 var(--mono); }
.presentation-title { overflow: hidden; color: var(--ink-soft); font-size: 13px; text-overflow: ellipsis; white-space: nowrap; }
.done-mark { color: var(--green); font-size: 12px; font-weight: 700; }
.todo-mark { color: var(--muted); font-size: 12px; }

.progress { height: 6px; overflow: hidden; border-radius: 99px; background: #e5eaeb; }
.progress > span { display: block; height: 100%; border-radius: 99px; background: var(--teal); }

.presentation-sheet { overflow: hidden; }
.sheet-code { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 12px 20px; border-bottom: 1px solid var(--line); background: var(--field); }
.code-mini { letter-spacing: .1em; font: 700 14px/1 var(--mono); }
.sheet-main { padding: clamp(22px, 5vw, 38px); }
.sheet-title { max-width: 28ch; font-family: var(--display); font-size: clamp(26px, 5vw, 40px); font-weight: 600; line-height: 1.1; letter-spacing: -.02em; }
.fact-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 14px; margin-top: 26px; }
.fact { padding-top: 11px; border-top: 1px solid var(--line); }
.fact-label { color: var(--muted); font: 650 10px/1.2 var(--mono); letter-spacing: .1em; text-transform: uppercase; }
.fact-value { margin-top: 6px; color: var(--ink-soft); font-size: 14px; }

.score-layout { display: grid; grid-template-columns: minmax(0,1fr) 280px; gap: 20px; align-items: start; }
.score-main { display: flex; flex-direction: column; gap: 14px; }
.score-aside { position: sticky; top: 86px; }
.criterion { padding: 20px; }
.criterion-head { display: grid; grid-template-columns: minmax(0,1fr) auto; gap: 16px; align-items: start; }
.weight { color: var(--teal-dark); font: 650 12px/1 var(--mono); }
.score-scale { display: grid; grid-template-columns: repeat(5,minmax(0,1fr)); gap: 8px; margin-top: 16px; }
.score-option { position: relative; }
.score-option input { position: absolute; opacity: 0; pointer-events: none; }
.score-option label {
  display: grid;
  min-height: 50px;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 9px;
  background: white;
  color: var(--ink-soft);
  font: 650 18px/1 var(--mono);
  transition: 120ms ease;
}
.score-option input:checked + label { border-color: var(--teal); background: var(--teal); color: white; box-shadow: 0 5px 15px rgba(13,111,112,.18); }
.score-option input:focus-visible + label { outline: 3px solid rgba(13,111,112,.28); outline-offset: 2px; }
.anchors { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 8px; margin-top: 12px; }
.anchor { padding: 9px; border-radius: 8px; background: var(--field); color: var(--muted); font-size: 11px; line-height: 1.4; }
.anchor strong { display: block; margin-bottom: 3px; color: var(--ink-soft); }

.timer { text-align: center; }
.timer-value { font: 600 42px/1 var(--mono); letter-spacing: -.04em; }
.timer-value.warn { color: var(--amber); }
.timer-value.over { color: var(--red); }
.timer-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 14px; }
.score-total { padding: 18px; border-radius: 12px; background: var(--ink); color: white; }
.score-total .number { font: 600 34px/1 var(--mono); }

.admin-grid { display: grid; grid-template-columns: minmax(0, 1fr) 330px; gap: 20px; align-items: start; }
.table-wrap { overflow: auto; border: 1px solid var(--line); border-radius: 14px; background: white; }
table { width: 100%; border-collapse: collapse; min-width: 700px; font-size: 13px; }
th, td { padding: 12px 14px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: middle; }
th { position: sticky; top: 0; z-index: 1; background: #edf2f3; color: var(--ink-soft); font: 700 10px/1.2 var(--mono); letter-spacing: .08em; text-transform: uppercase; }
tbody tr:last-child td { border-bottom: 0; }
.completion { display: flex; min-width: 120px; align-items: center; gap: 9px; }
.completion .progress { flex: 1; }

.danger-zone { border-color: #e8bbb7; }
.danger-zone .card-head { padding: 16px 18px; border-bottom: 1px solid #efd0cd; background: var(--red-soft); color: var(--red); }
.danger-zone .card-body { padding: 18px; }
.confirm-box { display: none; margin-top: 12px; }
.confirm-box.open { display: flex; flex-direction: column; gap: 9px; }

.empty { padding: 36px; text-align: center; color: var(--muted); }
.error-box { padding: 13px 15px; border: 1px solid #e9bbb6; border-radius: 9px; background: var(--red-soft); color: #7d2e27; font-size: 13px; }
.success-box { padding: 13px 15px; border: 1px solid #b9dbc9; border-radius: 9px; background: var(--green-soft); color: #255842; font-size: 13px; }

.toast-region { position: fixed; z-index: 100; right: 18px; bottom: 18px; display: flex; max-width: min(380px, calc(100vw - 36px)); flex-direction: column; gap: 8px; }
.toast { padding: 13px 15px; border: 1px solid var(--line-strong); border-radius: 10px; background: var(--ink); color: white; box-shadow: var(--shadow); font-size: 13px; }
.toast.error { background: var(--red); }

.modal-backdrop { position: fixed; z-index: 80; inset: 0; display: grid; place-items: center; padding: 18px; background: rgba(6,30,36,.7); backdrop-filter: blur(3px); }
.modal { width: min(640px, 100%); max-height: calc(100vh - 36px); overflow: auto; }

@media (max-width: 920px) {
  .login-page { grid-template-columns: 1fr; }
  .login-story { display: none; }
  .login-panel { min-height: 100vh; padding: 24px; }
  .login-institution { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-bottom: 16px; border-bottom: 1px solid var(--line); color: var(--muted); font-size: 12px; font-weight: 650; }
  .login-institution .cmc-banner { width: min(188px, 58vw); }
  .metric-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .group-list { grid-template-columns: 1fr; }
  .score-layout, .admin-grid { grid-template-columns: 1fr; }
  .score-aside { position: static; order: -1; }
}

@media (max-width: 620px) {
  .topbar { min-height: 61px; padding: 8px 14px; }
  .topbar .brand-copy, .topbar .brand-divider, .user-name { display: none; }
  .topbar .cmc-banner { width: 108px; }
  .page { width: min(100% - 24px, 1180px); padding-top: 28px; }
  .hero { align-items: flex-start; flex-direction: column; }
  .metric-grid { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 8px; }
  .metric { min-height: 104px; padding: 14px; }
  .metric-value { margin-top: 13px; font-size: 27px; }
  .code-station { margin-inline: -2px; border-radius: 14px; }
  .presentation-row { grid-template-columns: 62px minmax(0,1fr) auto; }
  .fact-grid { grid-template-columns: 1fr; }
  .anchors { grid-template-columns: 1fr; }
  .criterion { padding: 16px; }
  .score-option label { min-height: 48px; }
  .sheet-main { padding: 20px; }
}

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