/* Navyk admin: the app's notebook palette, tuned for dense data screens. Light theme only. */
:root {
  --ink: #22223b;
  --ink-muted: #4a4a68;
  --paper: #fffdf8;
  --paper-dot: #e4ddcf;
  --surface: #ffffff;
  --frame: #ede6da;
  --border: #22223b;
  --border-soft: #c9c4d6;
  --action: #ffb020;
  --success: #c9f2e0;
  --success-strong: #2f9e6e;
  --highlight: #fff0a3;
  --pink: #ffd6e7;
  --info: #cfe5ff;
  --repeat: #e6dbff;
  --danger: #b3261e;
  --focus: #4078c4;
  --r: 14px;
  --font: Nunito, system-ui, -apple-system, "Segoe UI", sans-serif;
}
* { box-sizing: border-box; }
html { color-scheme: light; }
body {
  margin: 0; font-family: var(--font); color: var(--ink); font-size: 15px; line-height: 1.45;
  background: radial-gradient(var(--paper-dot) 1.2px, transparent 1.2px) 0 0 / 22px 22px, var(--paper);
}
button, input, select { font: inherit; color: inherit; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }
h1, h2, h3 { line-height: 1.2; margin: 0; }
a { color: inherit; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* shell */
.shell { display: grid; grid-template-columns: 220px 1fr; min-height: 100vh; }
.side { padding: 20px 14px; border-right: 2px solid var(--border); background: var(--surface); position: sticky; top: 0; height: 100vh; display: flex; flex-direction: column; gap: 6px; }
.brand { font-weight: 900; font-size: 22px; margin: 0 8px 18px; }
.brand span { color: #ff5fa2; }
.brand small { display: block; font-size: 12px; font-weight: 800; color: var(--ink-muted); letter-spacing: 0.04em; text-transform: uppercase; }
.nav a { display: block; padding: 9px 12px; border-radius: 10px; font-weight: 800; text-decoration: none; }
.nav a:hover { background: var(--paper); }
.nav a[aria-current="page"] { background: var(--highlight); box-shadow: inset 0 0 0 2px var(--border); }
.who { margin-top: auto; padding: 10px 8px; font-size: 13px; color: var(--ink-muted); }
.who b { display: block; color: var(--ink); word-break: break-all; }
.main { padding: 24px 28px 48px; min-width: 0; }
.page-title { font-size: 28px; font-weight: 900; margin-bottom: 18px; }
.page-title mark { background: linear-gradient(transparent 58%, var(--highlight) 58%); color: inherit; padding: 0 3px; }

/* cards & tiles */
.card { background: var(--surface); border: 2px solid var(--border); border-radius: var(--r); box-shadow: 0 3px 0 var(--border); padding: 16px 18px; }
.card + .card { margin-top: 18px; }
.grid2 > .card { margin-top: 0; }
.card h2 { font-size: 18px; font-weight: 900; margin-bottom: 12px; }
.tiles { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 12px; margin-bottom: 18px; }
.tile { border: 2px solid var(--border); border-radius: var(--r); padding: 12px 14px; background: var(--surface); }
.tile:nth-child(4n+1) { background: var(--success); }
.tile:nth-child(4n+2) { background: var(--info); }
.tile:nth-child(4n+3) { background: var(--repeat); }
.tile:nth-child(4n+4) { background: var(--pink); }
.tile__label { font-size: 13px; font-weight: 800; color: var(--ink-muted); }
.tile__value { font-size: 28px; font-weight: 900; }
.grid2 { display: grid; grid-template-columns: 1.4fr 1fr; gap: 18px; align-items: start; }

/* bars chart */
.bars { display: flex; align-items: flex-end; gap: 3px; height: 140px; padding-top: 8px; }
.bars__bar { flex: 1; background: var(--action); border: 1.5px solid var(--border); border-bottom: 0; border-radius: 4px 4px 0 0; min-height: 2px; position: relative; }
.bars__bar.is-zero { background: var(--frame); border-color: var(--border-soft); }
.bars__axis { display: flex; justify-content: space-between; font-size: 12px; color: var(--ink-muted); border-top: 2px solid var(--border); padding-top: 4px; }

/* tables */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th { text-align: left; font-size: 12px; text-transform: uppercase; letter-spacing: 0.03em; color: var(--ink-muted); font-weight: 900; padding: 8px 10px; border-bottom: 2px solid var(--border); white-space: nowrap; }
td { padding: 9px 10px; border-bottom: 1px solid var(--border-soft); vertical-align: top; }
tr.is-link { cursor: pointer; }
tr.is-link:hover td { background: var(--paper); }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
.muted { color: var(--ink-muted); }
.small { font-size: 13px; }
.pill { display: inline-block; padding: 1px 9px; border-radius: 999px; border: 1.5px solid var(--border); font-size: 12px; font-weight: 800; background: var(--surface); white-space: nowrap; }
.pill--google { background: var(--info); }
.pill--owner { background: var(--pink); }
.pill--admin { background: var(--highlight); }
.pill--viewer { background: var(--repeat); }
.pill--warn { border-color: var(--danger); color: var(--danger); }
.pill--beginner { background: var(--success); }
.pill--advanced { background: var(--info); }
.pill--pro { background: var(--repeat); }

/* level mini bars */
.lv { display: grid; grid-template-columns: 16px 64px auto; gap: 6px; align-items: center; font-size: 12px; font-weight: 800; }
.lv + .lv { margin-top: 3px; }
.lv__track { height: 8px; border-radius: 4px; border: 1.5px solid var(--border); background: var(--surface); overflow: hidden; }
.lv__fill { height: 100%; background: var(--success-strong); }

/* toolbar & forms */
.toolbar { display: flex; flex-wrap: wrap; gap: 10px; align-items: end; margin-bottom: 14px; }
.field { display: flex; flex-direction: column; gap: 4px; font-size: 13px; font-weight: 800; }
.input, .select { min-height: 40px; padding: 6px 12px; border: 2px solid var(--border); border-radius: 10px; background: var(--surface); }
.input--wide { min-width: 280px; }
.btn { min-height: 40px; padding: 6px 16px; border: 2px solid var(--border); border-radius: 10px; background: var(--surface); font-weight: 900; cursor: pointer; box-shadow: 0 3px 0 var(--border); }
.btn:active { transform: translateY(2px); box-shadow: 0 1px 0 var(--border); }
.btn--primary { background: var(--action); }
.btn--danger { color: var(--danger); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.pager { display: flex; gap: 10px; align-items: center; justify-content: flex-end; margin-top: 12px; }
.note { padding: 10px 14px; border-radius: 10px; border: 2px solid var(--border); background: var(--info); margin: 10px 0; font-weight: 700; }
.note--error { background: var(--pink); }
.note--ok { background: var(--success); }

/* login */
.login { max-width: 420px; margin: 10vh auto; padding: 0 16px; }
.login .card { padding: 24px; }
.login h1 { font-size: 26px; font-weight: 900; margin-bottom: 6px; }
.login form { display: flex; flex-direction: column; gap: 12px; margin-top: 16px; }

/* user detail */
.facts { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 10px 18px; }
.fact__label { font-size: 12px; font-weight: 800; color: var(--ink-muted); text-transform: uppercase; letter-spacing: 0.03em; }
.fact__value { font-weight: 800; word-break: break-word; }
.level-block + .level-block { margin-top: 16px; }
.level-block h3 { font-size: 16px; font-weight: 900; margin-bottom: 8px; }
.module { margin: 6px 0 10px; }
.module__name { font-size: 13px; font-weight: 800; color: var(--ink-muted); margin-bottom: 4px; }
.lessons { display: flex; flex-wrap: wrap; gap: 5px; }
.lesson { min-width: 46px; padding: 3px 7px; border-radius: 8px; border: 1.5px dashed var(--border-soft); font-size: 12px; font-weight: 800; text-align: center; color: var(--ink-muted); background: var(--surface); }
.lesson.is-done { border: 1.5px solid var(--border); background: var(--success); color: var(--ink); }
.matrix td:not(:first-child), .matrix th:not(:first-child) { text-align: center; }
.yes { color: var(--success-strong); font-weight: 900; }

@media (max-width: 860px) {
  .shell { grid-template-columns: 1fr; }
  .side { position: static; height: auto; flex-direction: row; flex-wrap: wrap; align-items: center; border-right: 0; border-bottom: 2px solid var(--border); }
  .brand { margin: 0 12px 0 0; }
  .nav { display: flex; flex-wrap: wrap; gap: 4px; }
  .who { margin: 0 0 0 auto; }
  .main { padding: 18px 16px 40px; }
  .grid2 { grid-template-columns: 1fr; }
  .input--wide { min-width: 0; width: 100%; }
}