:root {
  --navy: #132239;
  --navy-2: #1c304d;
  --ink: #172234;
  --muted: #607087;
  --line: #dce3eb;
  --surface: #ffffff;
  --canvas: #f4f7fa;
  --blue: #2667d8;
  --blue-soft: #eaf1ff;
  --green: #14805e;
  --green-soft: #e7f6f0;
  --amber: #a45e08;
  --amber-soft: #fff3dc;
  --red: #b33b45;
  --red-soft: #fcebed;
  --shadow: 0 10px 30px rgba(25, 42, 68, .08);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--canvas);
}

* { box-sizing: border-box; }
html { min-height: 100%; scroll-behavior: smooth; }
body { min-height: 100vh; margin: 0; background: var(--canvas); font-size: 15px; line-height: 1.5; }
button, input, select { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; }
button { cursor: pointer; }
:focus-visible { outline: 3px solid rgba(38, 103, 216, .35); outline-offset: 2px; }
.skip-link { position: fixed; top: 8px; left: 8px; z-index: 1000; padding: 10px 14px; transform: translateY(-150%); border-radius: 8px; background: #fff; color: var(--ink); }
.skip-link:focus { transform: translateY(0); }

.app-shell { min-height: 100vh; display: grid; grid-template-columns: 248px minmax(0, 1fr); }
.sidebar { position: sticky; top: 0; height: 100vh; padding: 24px 18px; display: flex; flex-direction: column; color: #fff; background: var(--navy); }
.brand { display: flex; gap: 11px; align-items: center; margin: 0 8px 30px; text-decoration: none; }
.brand-mark { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 11px; color: var(--navy); background: #fff; font-weight: 900; letter-spacing: -.04em; }
.brand-copy { font-size: 20px; font-weight: 800; letter-spacing: -.03em; }
.brand-copy small { display: block; margin-top: -2px; color: #aebdd1; font-size: 12px; font-weight: 600; letter-spacing: .02em; }
.side-label { margin: 0 10px 8px; color: #8fa3be; font-size: 12px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.side-nav { display: grid; gap: 6px; }
.side-nav a { display: flex; align-items: center; gap: 11px; min-height: 44px; padding: 10px 12px; border-radius: 10px; color: #d6e0ed; font-size: 14px; font-weight: 700; text-decoration: none; }
.side-nav a:hover, .side-nav a[aria-current="page"] { color: #fff; background: var(--navy-2); }
.side-icon { width: 24px; text-align: center; font-size: 16px; }
.side-spacer { flex: 1; }
.side-user { padding: 14px; border-top: 1px solid rgba(255,255,255,.11); }
.side-user strong, .side-user span { display: block; }
.side-user strong { font-size: 14px; }
.side-user span { margin-top: 2px; color: #aebdd1; font-size: 12px; }
.text-button { padding: 0; border: 0; color: inherit; background: transparent; text-decoration: underline; text-underline-offset: 3px; }
.side-user .text-button { margin-top: 12px; color: #d7e1ee; font-size: 12px; }

.workspace { min-width: 0; }
.topbar { position: sticky; top: 0; z-index: 30; min-height: 72px; padding: 13px 32px; display: flex; align-items: center; gap: 20px; border-bottom: 1px solid var(--line); background: rgba(255,255,255,.96); backdrop-filter: blur(10px); }
.top-title { min-width: 0; }
.top-title strong { display: block; font-size: 16px; }
.top-title span { display: block; color: var(--muted); font-size: 12px; }
.search { position: relative; width: min(430px, 42vw); margin-left: auto; }
.search input { width: 100%; min-height: 42px; padding: 9px 44px 9px 14px; border: 1px solid var(--line); border-radius: 11px; background: #f7f9fc; color: var(--ink); }
.search button { position: absolute; right: 4px; top: 4px; width: 34px; height: 34px; border: 0; border-radius: 8px; color: var(--muted); background: transparent; }
.search-results { position: absolute; top: 49px; right: 0; width: min(480px, calc(100vw - 40px)); max-height: 420px; overflow: auto; padding: 8px; border: 1px solid var(--line); border-radius: 13px; background: #fff; box-shadow: var(--shadow); }
.search-results[hidden] { display: none; }
.search-result { display: block; padding: 10px 12px; border-radius: 9px; text-decoration: none; }
.search-result:hover { background: var(--canvas); }
.search-result span, .search-empty { display: block; color: var(--muted); font-size: 12px; }
.avatar { display: grid; place-items: center; flex: 0 0 38px; width: 38px; height: 38px; border-radius: 50%; color: #fff; background: var(--blue); font-size: 13px; font-weight: 800; }
.main { width: min(1360px, 100%); margin: 0 auto; padding: 34px 36px 56px; }
.eyebrow { margin: 0 0 7px; color: var(--blue); font-size: 12px; font-weight: 850; letter-spacing: .08em; text-transform: uppercase; }
h1, h2, h3, p { margin-top: 0; }
h1 { margin-bottom: 9px; font-size: clamp(28px, 3vw, 42px); line-height: 1.12; letter-spacing: -.04em; }
h2 { margin-bottom: 7px; font-size: 21px; line-height: 1.25; letter-spacing: -.025em; }
h3 { margin-bottom: 6px; font-size: 16px; line-height: 1.3; }
.lede { max-width: 720px; margin-bottom: 0; color: var(--muted); font-size: 16px; }
.page-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 24px; margin-bottom: 28px; }
.head-actions { display: flex; flex-wrap: wrap; gap: 9px; }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 20px; margin: 32px 0 14px; }
.section-head p { margin: 0; color: var(--muted); font-size: 13px; }

.button { min-height: 41px; padding: 9px 15px; display: inline-flex; align-items: center; justify-content: center; gap: 8px; border: 1px solid transparent; border-radius: 9px; font-weight: 750; text-decoration: none; }
.button.primary { color: #fff; background: var(--blue); }
.button.primary:hover { background: #1855be; }
.button.secondary { border-color: var(--line); color: var(--ink); background: #fff; }
.button.danger { color: var(--red); background: var(--red-soft); }
.button.small { min-height: 34px; padding: 6px 11px; font-size: 13px; }
.button:disabled { cursor: not-allowed; opacity: .58; }

.grid { display: grid; gap: 16px; }
.grid.cards { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid.metrics { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.card { min-width: 0; padding: 20px; border: 1px solid var(--line); border-radius: 14px; background: var(--surface); box-shadow: 0 3px 12px rgba(25,42,68,.035); }
.app-card { min-height: 224px; display: flex; flex-direction: column; }
.app-card-top { display: flex; justify-content: space-between; gap: 14px; }
.app-icon { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 12px; color: var(--blue); background: var(--blue-soft); font-weight: 900; }
.app-card p { color: var(--muted); }
.app-card .button { align-self: flex-start; margin-top: auto; }
.metric strong { display: block; margin-top: 7px; font-size: 27px; letter-spacing: -.035em; }
.metric span { color: var(--muted); font-size: 13px; }
.metric small { display: block; margin-top: 6px; color: var(--green); font-size: 12px; }
.badge { display: inline-flex; align-items: center; min-height: 25px; padding: 3px 8px; border-radius: 999px; color: var(--muted); background: #eef2f6; font-size: 12px; font-weight: 750; }
.badge.green { color: var(--green); background: var(--green-soft); }
.badge.amber { color: var(--amber); background: var(--amber-soft); }
.badge.red { color: var(--red); background: var(--red-soft); }
.badge.blue { color: var(--blue); background: var(--blue-soft); }
.card-footer { margin: 18px -20px -20px; padding: 13px 20px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; }

.tabs { margin: 0 0 22px; padding: 4px; display: flex; gap: 4px; overflow-x: auto; border: 1px solid var(--line); border-radius: 11px; background: #fff; }
.tab { min-height: 38px; padding: 7px 13px; flex: 0 0 auto; border: 0; border-radius: 8px; color: var(--muted); background: transparent; font-size: 13px; font-weight: 750; }
.tab:hover, .tab[aria-selected="true"] { color: var(--ink); background: var(--blue-soft); }
.panel[hidden] { display: none; }
.list { overflow: hidden; padding: 0; }
.list-row { min-width: 0; padding: 15px 18px; display: grid; grid-template-columns: minmax(180px, 1.5fr) repeat(3, minmax(110px, .7fr)) auto; gap: 16px; align-items: center; border-bottom: 1px solid var(--line); }
.list-row:last-child { border-bottom: 0; }
.list-row strong, .list-row span { min-width: 0; }
.list-row span { color: var(--muted); font-size: 13px; }
.list-row .primary-text { color: var(--ink); font-size: 14px; }
.list-row .row-sub { display: block; margin-top: 2px; color: var(--muted); font-size: 12px; }
.list-row.cols-4 { grid-template-columns: minmax(180px, 1.5fr) repeat(2, minmax(120px, .7fr)) auto; }
.list-row.cols-3 { grid-template-columns: minmax(180px, 1.5fr) minmax(130px, .8fr) auto; }
.empty { padding: 38px 22px; text-align: center; color: var(--muted); }
.notice { margin-bottom: 18px; padding: 14px 16px; border: 1px solid #b8d2ff; border-radius: 11px; color: #194b9e; background: var(--blue-soft); }
.notice strong { display: block; margin-bottom: 2px; color: var(--ink); }
.attendance { display: flex; align-items: center; justify-content: space-between; gap: 22px; }
.segmented { display: inline-flex; padding: 3px; border-radius: 9px; background: #edf1f5; }
.segmented button { min-height: 34px; padding: 6px 11px; border: 0; border-radius: 7px; color: var(--muted); background: transparent; font-size: 13px; font-weight: 750; }
.segmented button[aria-pressed="true"] { color: var(--ink); background: #fff; box-shadow: 0 1px 5px rgba(0,0,0,.08); }
.form-field { display: grid; gap: 7px; }
.form-field label { font-size: 13px; font-weight: 750; }
.form-field input { min-height: 44px; padding: 10px 12px; border: 1px solid var(--line); border-radius: 9px; color: var(--ink); background: #fff; }
.form-error { min-height: 22px; margin: 0; color: var(--red); font-size: 13px; }
.toast { position: fixed; right: 22px; bottom: 22px; z-index: 100; max-width: 360px; padding: 12px 16px; border-radius: 10px; color: #fff; background: var(--navy); box-shadow: var(--shadow); }
.toast[hidden] { display: none; }
.loading { min-height: 50vh; display: grid; place-items: center; color: var(--muted); }
.auth-page { min-height: 100vh; display: grid; grid-template-columns: minmax(360px, .8fr) minmax(520px, 1.2fr); background: #fff; }
.auth-main { padding: 40px clamp(28px, 6vw, 86px); display: flex; flex-direction: column; justify-content: center; }
.auth-brand { display: flex; align-items: center; gap: 11px; margin-bottom: 44px; text-decoration: none; font-size: 20px; font-weight: 850; }
.auth-brand .brand-mark { color: #fff; background: var(--navy); }
.auth-card { width: min(430px, 100%); }
.auth-card h1 { font-size: 36px; }
.auth-card form { margin-top: 28px; display: grid; gap: 17px; }
.auth-side { position: relative; overflow: hidden; padding: 64px; display: flex; flex-direction: column; justify-content: flex-end; color: #fff; background: linear-gradient(145deg, #132239, #174c91); }
.auth-side::before, .auth-side::after { content: ""; position: absolute; border-radius: 50%; border: 1px solid rgba(255,255,255,.13); }
.auth-side::before { width: 520px; height: 520px; top: -180px; right: -150px; }
.auth-side::after { width: 300px; height: 300px; top: 30px; right: 5px; }
.auth-side div { position: relative; max-width: 560px; }
.auth-side h2 { font-size: 34px; }
.auth-side p { color: #c7d8ec; font-size: 16px; }
.privacy-list { margin: 25px 0 0; padding: 0; display: grid; gap: 11px; list-style: none; }
.privacy-list li { display: flex; gap: 10px; align-items: center; font-size: 14px; }
.privacy-list li::before { content: "✓"; display: grid; place-items: center; width: 22px; height: 22px; border-radius: 50%; color: #bfe8d9; background: rgba(255,255,255,.12); font-weight: 900; }
.mobile-nav { display: none; }

@media (max-width: 1050px) {
  .app-shell { grid-template-columns: 210px minmax(0,1fr); }
  .grid.cards { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .grid.metrics { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .main { padding-inline: 24px; }
  .topbar { padding-inline: 24px; }
  .list-row { grid-template-columns: minmax(180px,1.4fr) minmax(110px,.7fr) auto; }
  .list-row > :nth-child(3) { display: none; }
}

@media (max-width: 760px) {
  body { padding-bottom: 68px; }
  .app-shell { display: block; }
  .sidebar { display: none; }
  .topbar { min-height: 62px; padding: 10px 16px; }
  .top-title span { display: none; }
  .search { position: static; width: auto; margin-left: auto; }
  .search input { position: absolute; left: 12px; right: 12px; top: 65px; width: calc(100% - 24px); display: none; }
  .search:focus-within input { display: block; }
  .search button { position: static; border: 1px solid var(--line); }
  .search-results { position: fixed; top: 112px; left: 12px; right: 12px; width: auto; }
  .avatar { width: 34px; height: 34px; flex-basis: 34px; }
  .main { padding: 26px 16px 36px; }
  .page-head { display: block; }
  .head-actions { margin-top: 17px; }
  h1 { font-size: 30px; }
  .grid.cards, .grid.metrics, .grid.two { grid-template-columns: 1fr; }
  .grid.metrics { gap: 10px; }
  .metric { padding: 16px; }
  .list-row, .list-row.cols-4, .list-row.cols-3 { padding: 14px 15px; grid-template-columns: minmax(0,1fr) auto; gap: 10px; }
  .list-row > :nth-child(2), .list-row > :nth-child(3) { display: none; }
  .attendance { align-items: flex-start; flex-direction: column; }
  .mobile-nav { position: fixed; left: 0; right: 0; bottom: 0; z-index: 40; height: 68px; padding: 7px 8px calc(7px + env(safe-area-inset-bottom)); display: flex; justify-content: space-around; border-top: 1px solid var(--line); background: rgba(255,255,255,.98); }
  .mobile-nav a { min-width: 58px; padding: 3px 5px; display: grid; place-items: center; align-content: center; gap: 1px; border-radius: 8px; color: var(--muted); font-size: 12px; font-weight: 700; text-decoration: none; }
  .mobile-nav a[aria-current="page"] { color: var(--blue); background: var(--blue-soft); }
  .auth-page { display: block; }
  .auth-main { min-height: 100vh; padding: 32px 22px; }
  .auth-side { display: none; }
}

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