:root {
  --bg: #f5f6f8;
  --card: #ffffff;
  --text: #1c1f24;
  --muted: #667085;
  --border: #e3e6eb;
  --accent: #00babc; /* 42 teal */
  --accent-text: #ffffff;
  --accent-hover: #00a2a4;
  --danger: #c8372d;
  --danger-bg: #fdecea;
  --ok: #1a7f37;
  --ok-bg: #e6f4ea;
  --warn: #9a6700;
  --warn-bg: #fff4d6;
  --info: #0b62c4;
  --info-bg: #e5f0fc;
  --neutral-bg: #eef0f3;
  --radius: 10px;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111317;
    --card: #1a1d23;
    --text: #e7e9ee;
    --muted: #9aa3b2;
    --border: #2b3039;
    --accent: #1fc8ca;
    --accent-text: #06292a;
    --accent-hover: #3ad6d8;
    --danger: #ff7b72;
    --danger-bg: #3a1d1b;
    --ok: #56d364;
    --ok-bg: #16301e;
    --warn: #e3b341;
    --warn-bg: #352a10;
    --info: #79b8ff;
    --info-bg: #142a44;
    --neutral-bg: #262a32;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

a { color: var(--accent); }

.wrap { max-width: 920px; margin: 0 auto; padding: 0 16px; }
main.wrap { padding-top: 24px; padding-bottom: 48px; }

.row { display: flex; align-items: center; }
.row.between { justify-content: space-between; }
.row.gap { gap: 10px; }
.wrapline { flex-wrap: wrap; gap: 12px; margin-bottom: 16px; }
.right { text-align: right; }
.inline { display: inline; margin: 0; }
.muted { color: var(--muted); }
.small { font-size: 13px; }

/* header */
.top { background: var(--card); border-bottom: 1px solid var(--border); }
.top .row { min-height: 56px; gap: 16px; flex-wrap: wrap; }
.brand { font-weight: 700; color: var(--text); text-decoration: none; font-size: 17px; }
nav { display: flex; align-items: center; gap: 16px; margin-left: auto; flex-wrap: wrap; }
nav a { color: var(--muted); text-decoration: none; font-weight: 500; }
nav a.active, nav a:hover { color: var(--text); }
.who { display: flex; align-items: center; gap: 6px; color: var(--muted); font-size: 14px; }

.avatar { width: 40px; height: 40px; border-radius: 50%; object-fit: cover; background: var(--neutral-bg); }
.avatar.sm { width: 24px; height: 24px; }

/* cards */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 16px;
}
.card h1, .card h2 { margin-top: 0; }
h2 { font-size: 18px; }

.login { max-width: 460px; margin: 48px auto; text-align: center; }
.login .dev { margin-top: 24px; padding-top: 16px; border-top: 1px dashed var(--border); }
.login .dev .row { justify-content: center; }
.empty { text-align: center; color: var(--muted); }

/* forms */
.form { display: grid; gap: 14px; }
.form > .btn { justify-self: start; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 14px; }
.field { display: grid; gap: 6px; margin: 0; }
.field > span, .field > legend { font-weight: 600; font-size: 14px; }
fieldset.field { border: 0; padding: 0; }
.choice { display: flex; align-items: center; gap: 6px; font-weight: 400; }

input[type="text"], input[type="email"], input[type="number"], input:not([type]), select, textarea {
  width: 100%;
  font: inherit;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 10px;
}
input[type="file"] { font: inherit; color: var(--text); max-width: 100%; }
textarea { resize: vertical; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: 1px; }

/* buttons */
.btn {
  display: inline-block;
  font: inherit;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
}
.btn:hover { border-color: var(--muted); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
.btn.primary:hover { background: var(--accent-hover); }
.btn.google { display: inline-flex; align-items: center; gap: 12px; background: #fff; color: #1f1f1f; border-color: #747775; }
.btn.google:hover { background: #f2f2f2; }
.btn.danger { color: var(--danger); border-color: var(--danger); background: transparent; }
.btn.danger:hover { background: var(--danger-bg); }
.btn.ghost { background: transparent; }
.btn.small { padding: 4px 10px; font-size: 13px; }
.btn.big { padding: 12px 28px; font-size: 16px; }
button.link { background: none; border: 0; color: var(--muted); font: inherit; cursor: pointer; padding: 0; }
button.link:hover { color: var(--text); }

/* flash */
.flash { padding: 10px 14px; border-radius: 8px; margin-bottom: 16px; }
.flash.error { background: var(--danger-bg); color: var(--danger); }
.flash.success { background: var(--ok-bg); color: var(--ok); }
.flash.info { background: var(--info-bg); color: var(--info); }

/* badges */
.badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 999px;
  white-space: nowrap;
  vertical-align: middle;
}
.badge.pending { background: var(--warn-bg); color: var(--warn); }
.badge.printing { background: var(--info-bg); color: var(--info); }
.badge.printed { background: var(--ok-bg); color: var(--ok); }
.badge.failed, .badge.rejected { background: var(--danger-bg); color: var(--danger); }
.badge.cancelled { background: var(--neutral-bg); color: var(--muted); }
.tag.color { font-size: 12px; padding: 1px 6px; border-radius: 4px; background: var(--info-bg); color: var(--info); }

/* student list */
.reqs { list-style: none; margin: 0; padding: 0; }
.req { display: flex; gap: 12px; justify-content: space-between; align-items: center; padding: 12px 0; border-top: 1px solid var(--border); }
.req:first-child { border-top: 0; }
.req-main { min-width: 0; }
.req-title { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.req-title strong { overflow-wrap: anywhere; }
.req-actions { display: flex; gap: 6px; flex-shrink: 0; }
.comment { margin-top: 4px; font-size: 14px; }

/* admin */
.tabs { display: flex; gap: 4px; background: var(--neutral-bg); padding: 4px; border-radius: 10px; }
.tabs a { padding: 6px 14px; border-radius: 8px; text-decoration: none; color: var(--muted); font-weight: 600; }
.tabs a.active { background: var(--card); color: var(--text); }
.count { background: var(--accent); color: var(--accent-text); border-radius: 999px; padding: 0 7px; font-size: 12px; margin-left: 4px; }

.printer { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--muted); }
.printer .dot { width: 9px; height: 9px; border-radius: 50%; background: var(--muted); }
.printer.ok .dot { background: var(--ok); }
.printer.busy .dot { background: var(--warn); }
.printer.bad .dot { background: var(--danger); }

.admin-req.failed { border-color: var(--danger); }
.admin-req header { gap: 12px; flex-wrap: wrap; margin-bottom: 12px; }
.facts { display: grid; grid-template-columns: 80px 1fr; gap: 6px 12px; margin: 0 0 14px; }
.facts dt { color: var(--muted); font-size: 14px; }
.facts dd { margin: 0; overflow-wrap: anywhere; }
.note { white-space: pre-wrap; }
.error-text { color: var(--danger); }
.decide { display: grid; gap: 10px; border-top: 1px solid var(--border); padding-top: 14px; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 8px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { color: var(--muted); font-weight: 600; font-size: 13px; }

@media (max-width: 600px) {
  .req { flex-direction: column; align-items: flex-start; }
  .facts { grid-template-columns: 1fr; }
  .facts dt { margin-top: 6px; }
  .right { text-align: left; }
}