/* MDT temporary academic system — shared styles (matches the legacy schedule look: Prompt + slate + blue) */
:root {
  color-scheme: light;
  --bg: #f8fafc; --card: #ffffff; --ink: #1e293b; --muted: #64748b; --line: #e2e8f0; --soft: #f1f5f9;
  --navy: #0f2a4a; --accent: #2563eb; --accent-ink: #ffffff; --accent-soft: #eff6ff;
  --ok: #15803d; --ok-soft: #f0fdf4; --warn: #b45309; --warn-soft: #fffbeb; --bad: #b91c1c; --bad-soft: #fef2f2;
  --radius: 12px;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 15px/1.55 'Prompt', system-ui, -apple-system, 'Segoe UI', sans-serif; }
a { color: var(--accent); }
.wrap { max-width: 1040px; margin: 0 auto; padding: 16px; }
.wrap-narrow { max-width: 720px; margin: 0 auto; padding: 16px; }

.topbar { background: var(--navy); color: #fff; }
.topbar .wrap { display: flex; align-items: center; gap: 12px; padding-top: 12px; padding-bottom: 12px; flex-wrap: wrap; }
.topbar .brand { font-weight: 700; color: #fff; text-decoration: none; font-size: 17px; }
.topbar .brand small { font-weight: 400; opacity: .75; margin-left: 6px; }
.topbar .spacer { flex: 1; }
.topbar .who { font-size: 13px; opacity: .85; }
.topbar a.navlink { color: #dbeafe; text-decoration: none; font-size: 14px; }
.subnav { background: #fff; border-bottom: 1px solid var(--line); overflow-x: auto; }
.subnav .wrap { display: flex; gap: 4px; padding-top: 0; padding-bottom: 0; }
.subnav a { padding: 10px 12px; color: var(--muted); text-decoration: none; white-space: nowrap; border-bottom: 3px solid transparent; font-size: 14px; }
.subnav a.active { color: var(--accent); border-bottom-color: var(--accent); font-weight: 600; }

h1 { font-size: 22px; margin: 8px 0 4px; } h2 { font-size: 18px; margin: 0 0 8px; } h3 { font-size: 16px; margin: 0 0 6px; }
.muted { color: var(--muted); } .small { font-size: 13px; } .tiny { font-size: 12px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; margin-bottom: 14px; }
.card.tight { padding: 12px; }
.grid { display: grid; gap: 12px; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.row.between { justify-content: space-between; }
.stack > * + * { margin-top: 10px; }

label.field { display: block; font-size: 13px; font-weight: 600; color: var(--muted); margin: 10px 0 4px; }
input[type=text], input[type=url], input[type=number], input[type=datetime-local], input[type=search], select, textarea {
  width: 100%; padding: 10px 12px; border: 1px solid #cbd5e1; border-radius: 8px; font: inherit; background: #fff; color: var(--ink);
}
input:focus, select:focus, textarea:focus { outline: 2px solid #bfdbfe; border-color: var(--accent); }
input.invalid { border-color: var(--bad); background: var(--bad-soft); }
input[type=file] { width: 100%; font: inherit; }
.check { display: inline-flex; align-items: center; gap: 6px; padding: 6px 10px; border: 1px solid var(--line); border-radius: 8px; background: #fff; cursor: pointer; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; padding: 10px 16px; border: 0; border-radius: 8px;
  background: var(--accent); color: var(--accent-ink); font: inherit; font-weight: 600; cursor: pointer; text-decoration: none; min-height: 42px; }
.btn:hover { filter: brightness(.95); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn.secondary { background: var(--soft); color: var(--ink); border: 1px solid var(--line); }
.btn.danger { background: var(--bad); }
.btn.ok { background: var(--ok); }
.btn.sm { padding: 6px 10px; min-height: 32px; font-size: 13px; }
.btn.block { width: 100%; }

.badge { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 12px; font-weight: 600; background: var(--soft); color: var(--muted); border: 1px solid var(--line); white-space: nowrap; }
.badge.ok { background: var(--ok-soft); color: var(--ok); border-color: #bbf7d0; }
.badge.warn { background: var(--warn-soft); color: var(--warn); border-color: #fde68a; }
.badge.bad { background: var(--bad-soft); color: var(--bad); border-color: #fecaca; }
.badge.info { background: var(--accent-soft); color: var(--accent); border-color: #bfdbfe; }

.note { border-radius: 10px; padding: 10px 12px; margin: 10px 0; border: 1px solid; font-size: 14px; }
.note-info { background: var(--accent-soft); border-color: #bfdbfe; color: #1e3a8a; }
.note-ok { background: var(--ok-soft); border-color: #bbf7d0; color: #14532d; }
.note-warn { background: var(--warn-soft); border-color: #fde68a; color: #78350f; }
.note-error { background: var(--bad-soft); border-color: #fecaca; color: #7f1d1d; }
.spinner { display: inline-block; width: 14px; height: 14px; border: 2px solid currentColor; border-right-color: transparent; border-radius: 50%; animation: spin .8s linear infinite; vertical-align: -2px; margin-right: 8px; }
@keyframes spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .spinner { animation-duration: 2s; } }

.progress { height: 10px; background: var(--soft); border-radius: 999px; overflow: hidden; border: 1px solid var(--line); }
.progress > div { height: 100%; width: 0; background: var(--accent); transition: width .2s; }

.table-wrap { overflow-x: auto; }
table.data { width: 100%; border-collapse: collapse; font-size: 14px; }
table.data th { text-align: left; font-size: 12px; color: var(--muted); font-weight: 600; padding: 8px; border-bottom: 1px solid var(--line); background: var(--soft); white-space: nowrap; }
table.data td { padding: 8px; border-bottom: 1px solid var(--line); vertical-align: top; }

.tile { display: block; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; text-decoration: none; color: var(--ink); }
.tile:hover { border-color: var(--accent); box-shadow: 0 2px 10px rgba(37, 99, 235, .08); }
.tile .t { font-weight: 700; font-size: 17px; margin-bottom: 4px; }
.tile .d { color: var(--muted); font-size: 14px; }

.task { display: block; width: 100%; text-align: left; background: #fff; border: 1px solid var(--line); border-left: 6px solid var(--accent); border-radius: 10px; padding: 12px 14px; margin-bottom: 10px; cursor: pointer; font: inherit; color: inherit; }
.task.done { border-left-color: var(--ok); }
.task.locked { border-left-color: #94a3b8; }
.task:hover { box-shadow: 0 2px 10px rgba(15, 23, 42, .06); }
.crit { display: grid; grid-template-columns: 1fr 120px; gap: 10px; align-items: center; padding: 10px 0; border-bottom: 1px solid var(--line); }
.crit input { text-align: center; font-size: 18px; font-weight: 600; }
.total { font-size: 22px; font-weight: 700; }
.sticky-actions { position: sticky; bottom: 0; background: rgba(248, 250, 252, .95); padding: 10px 0; border-top: 1px solid var(--line); }
[hidden] { display: none !important; }
@media (max-width: 560px) {
  .wrap, .wrap-narrow { padding: 12px 16px; }
  .crit { grid-template-columns: 1fr 96px; }
  h1 { font-size: 20px; }
}