:root {
  --bg: #f5f6f8;
  --card: #ffffff;
  --text: #1f2933;
  --muted: #6b7280;
  --accent: #2563eb;
  --accent-dark: #1d4ed8;
  --danger: #dc2626;
  --border: #e5e7eb;
}

* { box-sizing: border-box; }

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

.topbar { max-width: 960px; margin: 0 auto; padding: 24px 16px 8px; }
.topbar h1 { margin: 0; font-size: 22px; }
.topbar .sub { margin: 4px 0 0; color: var(--muted); }

main { max-width: 960px; margin: 0 auto; padding: 8px 16px 48px; }

/* ---- per-person pills ---- */
.user-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 16px;
}
.user-pill {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 16px;
  cursor: pointer;
  min-width: 120px;
}
.user-pill:hover { border-color: var(--accent); }
.user-pill.active {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, .15);
}
.user-pill-name { font-weight: 600; }
.user-pill-total { font-weight: 700; color: var(--accent); }
.user-pill.low .user-pill-total { color: var(--danger); }

/* ---- people management ---- */
.people-panel { border-width: 1px; }
.people-panel h2 { margin: 0 0 4px; font-size: 16px; }
.people-panel .subtext { color: var(--muted); font-size: 13px; margin: 0 0 12px; }
.people-list { display: flex; flex-direction: column; gap: 8px; margin-bottom: 12px; }
.person-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
}
.person-row .person-name {
  flex: 1;
  padding: 8px 10px;
  font-size: 15px;
  border: 1px solid var(--border);
  border-radius: 6px;
}
.person-row .person-name:focus { outline: 2px solid var(--accent); border-color: var(--accent); }
.delete-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--danger);
  padding: 6px 10px;
  border-radius: 6px;
  font-size: 13px;
  cursor: pointer;
}
.delete-btn:hover { background: #fef2f2; border-color: var(--danger); }

.add-person {
  display: flex;
  gap: 8px;
  align-items: center;
}
.add-person input {
  flex: 1;
  padding: 9px 10px;
  font-size: 15px;
  border: 1px solid var(--border);
  border-radius: 8px;
}
.add-person button {
  padding: 9px 14px;
  background: var(--accent);
  color: #fff;
  border: 0;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
}
.add-person button:hover { background: var(--accent-dark); }

/* ---- category cards (for the active person) ---- */
.cards { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 640px) { .cards { grid-template-columns: 1fr; } }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
}
.card-label { font-weight: 600; margin-bottom: 4px; }
.card-value { font-size: 28px; font-weight: 700; }
.card-cap { color: var(--muted); font-size: 13px; margin-top: 2px; }
.bar { height: 8px; background: var(--bg); border-radius: 999px; margin-top: 10px; overflow: hidden; }
.bar-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 999px;
  transition: width .25s;
}
.bar-fill.low { background: var(--danger); }

/* ---- form / panels ---- */
.panel {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  margin-top: 16px;
}
.panel h2 { margin: 0 0 12px; font-size: 16px; }

.field { margin-bottom: 12px; }
.field label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 4px; }
.field input, .field select {
  width: 100%;
  padding: 9px 10px;
  font-size: 15px;
  border: 1px solid var(--border);
  border-radius: 8px;
}
.field .opt { font-weight: 400; color: var(--muted); }

button { cursor: pointer; }
#leave-form button[type="submit"] {
  width: 100%;
  padding: 10px;
  background: var(--accent);
  color: #fff;
  border: 0;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
}
#leave-form button[type="submit"]:hover { background: var(--accent-dark); }
#leave-form button[type="submit"]:disabled { background: #9ca3af; }
.user-pills-panel { display: none; }

.hint { margin: 8px 0 0; font-size: 13px; color: var(--muted); }
.hint.error { color: var(--danger); }

/* ---- history table ---- */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 8px 6px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 600; }
.linkbtn {
  background: none;
  border: 0;
  color: var(--accent);
  font-size: 12px;
  padding: 4px 6px;
}
.linkbtn:hover { text-decoration: underline; }

.empty { color: var(--muted); font-size: 13px; margin: 8px 0 0; }