:root {
  --bg: #f4f5f7;
  --card: #ffffff;
  --ink: #1d2330;
  --muted: #6b7280;
  --line: #e3e6eb;
  --accent: #3b5bdb;
  --accent-ink: #ffffff;
  --good: #2b8a3e;
  --warn: #e8590c;
}

* { box-sizing: border-box; }

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

.topbar {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  background: var(--ink);
  color: #fff;
  padding: 0 1.25rem;
  height: 52px;
}
.topbar .brand { font-weight: 700; color: #fff; text-decoration: none; font-size: 1.1rem; }
.topbar nav { display: flex; gap: 1rem; }
.topbar nav a { color: #c7ccd6; text-decoration: none; padding: 4px 2px; border-bottom: 2px solid transparent; }
.topbar nav a:hover { color: #fff; }
.topbar nav a.active { color: #fff; border-bottom-color: var(--accent); }

.content { max-width: 1100px; margin: 1.5rem auto; padding: 0 1.25rem; }
.footer { text-align: center; color: var(--muted); padding: 2rem 0; font-size: 0.85rem; }

h1 { font-size: 1.5rem; margin: 0 0 1rem; }
h2 { font-size: 1.15rem; margin: 1.5rem 0 0.75rem; }

.flash {
  background: #e7f5ff; border: 1px solid #a5d8ff; color: #1864ab;
  padding: 0.6rem 0.9rem; border-radius: 6px; margin-bottom: 1rem;
}

.card { background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 1.25rem; margin-bottom: 1.25rem; }

table { width: 100%; border-collapse: collapse; background: var(--card); border-radius: 8px; overflow: hidden; border: 1px solid var(--line); }
th, td { text-align: left; padding: 0.6rem 0.75rem; border-bottom: 1px solid var(--line); }
th { background: #f8f9fb; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.03em; color: var(--muted); }
tr:last-child td { border-bottom: none; }
tr:hover td { background: #fafbfd; }

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

.btn, button {
  display: inline-block; background: var(--accent); color: var(--accent-ink);
  border: none; border-radius: 6px; padding: 0.5rem 0.9rem; font-size: 0.9rem;
  cursor: pointer; text-decoration: none;
}
.btn.secondary { background: #e9ecf3; color: var(--ink); }
.btn.danger { background: #e03131; }
.btn-row { display: flex; gap: 0.5rem; align-items: center; margin: 1rem 0; flex-wrap: wrap; }

form.stacked { display: grid; gap: 0.9rem; max-width: 640px; }
form.stacked label { display: grid; gap: 0.25rem; font-size: 0.9rem; color: var(--muted); }
form.stacked input, form.stacked select, form.stacked textarea {
  font: inherit; padding: 0.5rem 0.6rem; border: 1px solid var(--line); border-radius: 6px; background: #fff; color: var(--ink);
}
form.stacked textarea { min-height: 80px; resize: vertical; }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0.9rem; }

.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 1rem; }
.stat { background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 1rem 1.1rem; }
.stat .n { font-size: 1.8rem; font-weight: 700; }
.stat .l { color: var(--muted); font-size: 0.85rem; }

.badge { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 0.75rem; background: #eef0f4; color: var(--muted); }
.badge.requested { background: #fff3bf; color: #846100; }
.badge.in_progress { background: #d0ebff; color: #1864ab; }
.badge.in_review { background: #e5dbff; color: #5f3dc4; }
.badge.submitted { background: #d3f9d8; color: #2b8a3e; }
.badge.completed { background: #c5f6d3; color: #0b7285; }
.badge.on_hold { background: #ffe3e3; color: #c92a2a; }
.badge.cancelled { background: #f1f3f5; color: #868e96; }

.muted { color: var(--muted); }
.right { text-align: right; }
.nowrap { white-space: nowrap; }
.empty { color: var(--muted); padding: 1.5rem; text-align: center; }

/* Auth */
.userbox { margin-left: auto; display: flex; align-items: center; gap: 0.75rem; }
.userbox .username { color: #c7ccd6; font-size: 0.9rem; }
form.inline { display: inline; margin: 0; }
button.linklike {
  background: none; border: none; color: #c7ccd6; cursor: pointer;
  font: inherit; font-size: 0.9rem; padding: 0; text-decoration: underline;
}
button.linklike:hover { color: #fff; }
.login-box { max-width: 380px; margin: 4rem auto; }