:root {
  --bg: #070b14;
  --panel: #0e1626;
  --panel-2: #131e33;
  --line: #24324d;
  --text: #e8eef9;
  --muted: #a3b3cb;
  --cyan: #3de8ff;
  --amber: #ffb340;
  --err: #ff9a8f;
  --on-accent: #04141c;
  --radius: 12px;
  --sans: 'Space Grotesk', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.5;
  overflow-wrap: anywhere;
}

.wrap { max-width: 880px; margin: 0 auto; padding: 0 16px; }
[hidden] { display: none !important; }

h1, h2, h3 { line-height: 1.2; margin: 0; }
h1 { font-size: 1.9rem; font-weight: 700; letter-spacing: -0.01em; }
h2 { font-size: 1.25rem; font-weight: 700; margin-bottom: 14px; }
h3 { font-size: 1rem; font-weight: 500; color: var(--muted); text-transform: uppercase; letter-spacing: .08em; margin: 26px 0 10px; font-family: var(--mono); font-size: .8rem; }

.skip { position: absolute; left: -999px; top: 8px; background: var(--cyan); color: var(--on-accent); padding: 10px 14px; border-radius: 8px; z-index: 10; }
.skip:focus { left: 8px; }

/* header */
.site { padding: 28px 0 8px; }
.head-row { display: flex; gap: 16px; justify-content: space-between; align-items: flex-start; }
.lead { color: var(--muted); margin: 8px 0 0; max-width: 56ch; }
.lang { display: flex; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; flex: none; }
.lang button {
  min-width: 48px; min-height: 44px; background: transparent; color: var(--muted);
  border: 0; font: 600 .9rem var(--mono); cursor: pointer;
}
.lang button[aria-pressed="true"] { background: var(--cyan); color: var(--on-accent); }

main { padding-bottom: 80px; }
.panel {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px 16px; margin: 18px 0;
}
.empty { border-color: var(--cyan); }
.steps { margin: 0 0 16px; padding-left: 22px; color: var(--text); }
.steps li { margin: 6px 0; }

/* forms */
.grid { display: grid; grid-template-columns: 1fr; gap: 14px 16px; }
.field { min-width: 0; }
label { display: block; font-weight: 500; margin-bottom: 6px; }
.opt { color: var(--muted); font-weight: 400; font-size: .9rem; }
input, select {
  width: 100%; min-height: 48px; padding: 10px 12px; font: inherit; font-size: 16px;
  color: var(--text); background: var(--bg); border: 1px solid #3a4b6b; border-radius: 10px;
  color-scheme: dark;
}
input::placeholder { color: #8394af; }
input[aria-invalid="true"] { border-color: var(--err); }
.hint { color: var(--muted); font-size: .9rem; margin: 6px 0 0; }
.err { color: var(--err); font-size: .95rem; margin: 6px 0 0; min-height: 0; }
.err:empty { display: none; }
.err::before { content: "! "; font-family: var(--mono); font-weight: 600; }
.row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 16px; align-items: center; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  min-height: 44px; min-width: 44px; padding: 8px 16px; border-radius: 10px;
  border: 1px solid #3a4b6b; background: var(--panel-2); color: var(--text);
  font: 500 1rem var(--sans); cursor: pointer; text-decoration: none;
  transition: background-color .15s, transform .15s;
}
.btn:hover { background: #1b2a47; }
.btn:active { transform: translateY(1px); }
.btn.primary { background: var(--cyan); border-color: var(--cyan); color: var(--on-accent); font-weight: 700; }
.btn.primary:hover { background: #7af0ff; }
.btn.small { min-height: 44px; }
.btn.danger { color: var(--err); }

:focus-visible { outline: 3px solid var(--amber); outline-offset: 2px; }
input:focus-visible, select:focus-visible { outline-color: var(--cyan); }

/* countdown cards */
#exams-section { margin-top: 28px; }
.cards { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.card {
  display: grid; grid-template-columns: 96px 1fr; gap: 14px; align-items: center;
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px;
  animation: rise .25s ease-out both;
}
.count { text-align: center; font-family: var(--mono); line-height: 1.1; }
.count .num { display: block; font-size: 2.2rem; font-weight: 600; color: var(--cyan); }
.count .unit { display: block; font-size: .8rem; color: var(--muted); margin-top: 4px; }
.count .word { display: block; font-size: 1.15rem; font-weight: 600; }
.card h3 { font-family: var(--sans); font-size: 1.1rem; font-weight: 700; text-transform: none; letter-spacing: 0; color: var(--text); margin: 0 0 4px; }
.meta { color: var(--muted); font-size: .95rem; margin: 0; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.chip { font: 500 .8rem var(--mono); padding: 3px 9px; border: 1px solid var(--line); border-radius: 99px; color: var(--muted); }
.chip.hard { color: var(--amber); border-color: #6b4a14; }
.actions { grid-column: 1 / -1; display: flex; gap: 8px; flex-wrap: wrap; }

.card.is-today, .card.is-tomorrow { border-color: var(--amber); background: #19160f; }
.card.is-today { box-shadow: 0 0 0 1px var(--amber), 0 0 24px rgba(255, 179, 64, .18); }
.card.is-today .count .word, .card.is-tomorrow .count .word, .card.is-today .num, .card.is-tomorrow .num { color: var(--amber); }
.card.is-past { background: #0a101c; border-style: dashed; }
.card.is-past h3, .card.is-past .meta, .card.is-past .count .word { color: #94a3ba; }
.card.is-past .count .word { font-weight: 400; }

/* plan */
#plan-section { margin-top: 32px; }
.plan-head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 8px 16px; }
.plan-head h2 { margin: 0; }
.plan-head .row { margin: 0; }
.summary { color: var(--muted); margin: 12px 0; }
.warn {
  border: 1px solid var(--amber); background: #1d1608; color: #ffd08a; border-radius: 10px;
  padding: 10px 14px; margin: 8px 0;
}
.warn::before { content: "! "; font-family: var(--mono); font-weight: 700; color: var(--amber); }
.note { border: 1px solid var(--line); border-radius: 10px; padding: 10px 14px; background: var(--panel); margin: 8px 0; }
.hours-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.hours-list li { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; padding: 10px 14px; background: var(--panel); border: 1px solid var(--line); border-radius: 10px; }
.hours-list .num, .day-total, .item-h { font-family: var(--mono); }
.hours-list .bad { color: var(--amber); }
.days { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.day {
  background: var(--panel); border: 1px solid var(--line); border-left: 4px solid var(--cyan);
  border-radius: 10px; padding: 12px 14px; animation: rise .25s ease-out both;
}
.day.has-exam { border-left-color: var(--amber); }
.day.is-free { border-left-color: var(--line); }
.day-head { display: flex; justify-content: space-between; gap: 10px; flex-wrap: wrap; align-items: baseline; }
.day-name { font-weight: 700; }
.day-name .badge { margin-left: 8px; }
.badge { font: 600 .75rem var(--mono); background: var(--cyan); color: var(--on-accent); padding: 2px 8px; border-radius: 99px; vertical-align: middle; }
.badge.amber { background: var(--amber); }
.day-total { color: var(--muted); font-size: .9rem; }
.items { list-style: none; margin: 8px 0 0; padding: 0; display: grid; gap: 4px; }
.items li { display: flex; justify-content: space-between; gap: 12px; }
.item-h { color: var(--cyan); white-space: nowrap; }
.tag { font: 500 .75rem var(--mono); color: var(--amber); border: 1px solid #6b4a14; border-radius: 99px; padding: 1px 8px; margin-left: 6px; white-space: nowrap; }
.exam-line { color: var(--amber); font-weight: 500; margin: 8px 0 0; }
.free { color: var(--muted); margin: 6px 0 0; }

/* status bar */
.status {
  position: fixed; left: 12px; right: 12px; bottom: 12px; max-width: 520px; margin: 0 auto;
  display: flex; gap: 12px; align-items: center; justify-content: space-between;
  background: var(--panel-2); border: 1px solid var(--cyan); border-radius: 12px; padding: 10px 14px;
  z-index: 5;
}
.status:has(#status-text:empty) { display: none; }
.status.bad { border-color: var(--err); }

.foot { border-top: 1px solid var(--line); color: var(--muted); font-size: .95rem; padding: 18px 0 90px; margin-top: 24px; }
.foot p { margin: 4px 0; }
.warn-text { color: var(--amber); }
.print-only { display: none; }

@keyframes rise { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

@media (min-width: 640px) {
  h1 { font-size: 2.3rem; }
  .grid { grid-template-columns: 1fr 1fr; }
  .span2 { grid-column: 1 / -1; }
  .panel { padding: 22px; }
  .card { grid-template-columns: 110px 1fr auto; }
  .actions { grid-column: auto; flex-wrap: nowrap; }
}

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

@media print {
  :root { --bg: #fff; --text: #000; --muted: #333; --line: #888; --cyan: #000; --amber: #000; --panel: #fff; --panel-2: #fff; }
  body { background: #fff; color: #000; font-size: 12pt; }
  .noprint, header.site, footer, #empty, .panel, #exams-section, .status, .skip { display: none !important; }
  .print-only { display: block; margin: 4px 0 10px; }
  #plan-section { margin: 0; }
  .wrap { max-width: none; padding: 0; }
  .day, .hours-list li { border: 1px solid #888; border-left: 4px solid #000; background: #fff; break-inside: avoid; animation: none; }
  .warn { border: 2px solid #000; background: #fff; color: #000; }
  .badge { background: #000; color: #fff; }
  .item-h, .exam-line { color: #000; }
  .tag { color: #000; border-color: #000; }
}