:root {
  --ink: #1c1917;
  --muted: #78716c;
  --line: #e7e5e4;
  --bg: #f5f0e8;
  --card: #fffcf7;
  --navy: #1f3d2b;
  --navy-2: #2d5a40;
  --accent: #b45309;
  --ok: #3f6212;
  --danger: #b42318;
  --free: #ecfdf3;
  --taken: #fff7ed;
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif; color: var(--ink); background: var(--bg); }
button, input, select { font: inherit; }
code { font-size: 12px; background: #efeae2; padding: 1px 5px; border-radius: 4px; }

.login-wrap {
  min-height: 100%;
  display: grid;
  place-items: center;
  background:
    radial-gradient(800px 400px at 20% 0%, #d6e4d8, transparent 60%),
    linear-gradient(180deg, #1f3d2b, #163024);
}
.login-card {
  width: min(400px, 92vw);
  background: var(--card);
  padding: 36px 32px;
  border-radius: 18px;
  box-shadow: 0 24px 60px rgba(0,0,0,.28);
}
.kicker { margin: 0; letter-spacing: .14em; text-transform: uppercase; font-size: 11px; color: var(--accent); }
.login-card h1 { margin: 8px 0 6px; font-size: 24px; letter-spacing: .02em; }
.login-card .sub { margin: 0 0 22px; color: var(--muted); }
.login-card label { display: block; margin-bottom: 14px; font-size: 13px; color: var(--muted); }
.login-card input { width: 100%; margin-top: 6px; padding: 11px 12px; border: 1px solid var(--line); border-radius: 10px; background: #fff; }
.login-card button {
  width: 100%; margin-top: 8px; padding: 12px; border: 0; border-radius: 10px;
  background: var(--navy); color: #fff; cursor: pointer;
}
.login-card .hint { margin: 14px 0 0; color: var(--muted); font-size: 12px; line-height: 1.5; }

.app[hidden], #login-view[hidden] { display: none !important; }
.app:not([hidden]) { display: grid; grid-template-columns: 228px 1fr; min-height: 100%; }

aside {
  background: var(--navy);
  color: #edf6ef;
  padding: 22px 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.brand { padding: 6px 10px 18px; }
.brand strong { display: block; font-size: 18px; }
.brand span { color: #b7cfc0; font-size: 12px; }
aside nav { display: flex; flex-direction: column; gap: 4px; flex: 1; }
aside nav button, .logout {
  text-align: left; background: transparent; color: #d5e6db; border: 0;
  padding: 11px 12px; border-radius: 10px; cursor: pointer;
}
aside nav button.active, aside nav button:hover { background: rgba(255,255,255,.12); color: #fff; }
.logout { color: #f3d2b5; }

.top { display: flex; justify-content: space-between; align-items: baseline; padding: 22px 28px 0; }
.top h2 { margin: 0; font-size: 22px; }
#who { color: var(--muted); font-size: 13px; }
#page { padding: 18px 28px 40px; }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 240px)); gap: 16px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 20px; }
.card .n { font-size: 36px; font-weight: 700; color: var(--navy); }
.card .l { color: var(--muted); margin-top: 4px; }

.toolbar { display: flex; gap: 8px; flex-wrap: wrap; margin: 0 0 14px; align-items: end; }
.toolbar label, .form-grid label { font-size: 12px; color: var(--muted); display: flex; flex-direction: column; gap: 4px; }
.toolbar input, .toolbar select, .form-grid input, .form-grid select {
  padding: 8px 10px; border: 1px solid var(--line); border-radius: 10px; background: #fff; min-width: 140px;
}
.btn { padding: 8px 14px; border: 0; border-radius: 10px; background: var(--navy); color: #fff; cursor: pointer; }
.btn.ghost { background: #fff; color: var(--navy); border: 1px solid var(--line); }
.btn.danger { background: var(--danger); }
.btn.ok { background: var(--ok); }

table { width: 100%; border-collapse: collapse; background: var(--card); border: 1px solid var(--line); border-radius: 14px; overflow: hidden; }
th, td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--line); font-size: 14px; }
th { background: #efeae2; color: var(--muted); font-weight: 600; }
.muted { color: var(--muted); }
.error { color: var(--danger); font-size: 13px; margin-top: 8px; }
.ok-text { color: var(--ok); }
.warn { color: var(--accent); }

.form-grid {
  display: grid; grid-template-columns: repeat(2, minmax(160px, 1fr)); gap: 12px;
  background: var(--card); padding: 16px; border: 1px solid var(--line); border-radius: 16px; margin-bottom: 16px;
}
.span2 { grid-column: 1 / -1; }
.checks { display: flex; flex-wrap: wrap; gap: 10px 16px; margin-top: 6px; }
.chk { font-size: 13px; color: var(--ink); display: flex !important; flex-direction: row !important; align-items: center; gap: 6px; }
.pager { margin-top: 12px; display: flex; gap: 8px; align-items: center; }

.timetable th, .timetable td { text-align: center; vertical-align: middle; min-width: 92px; }
.timetable th:first-child, .timetable td:first-child { text-align: left; min-width: 118px; }
.st-0 { background: var(--free); }
.st-1 { background: var(--taken); }
.st-2 { background: #f5f5f4; color: var(--muted); }
.timetable .btn { margin-top: 6px; padding: 4px 8px; font-size: 12px; }