:root {
  --bg: #f4f6f9;
  --panel: #ffffff;
  --ink: #1f2733;
  --muted: #6b7686;
  --line: #e4e8ef;
  --brand: #14532d;
  --brand2: #16a34a;
  --sidebar: #111c17;
  --sidebar-ink: #c9d6cf;
  --danger: #c0392b;
  --warn: #b9770e;
  --ok: #1f8a4c;
  --shadow: 0 1px 3px rgba(16,28,23,.08), 0 6px 24px rgba(16,28,23,.06);
}
* { box-sizing: border-box; }
body { margin: 0; font-family: -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg); color: var(--ink); font-size: 14px; }
a { color: inherit; }
button { font-family: inherit; }

/* ---------- login ---------- */
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, #0d1f17, #14532d); }
.login-card { width: 360px; background: var(--panel); border-radius: 14px; padding: 32px 28px;
  box-shadow: var(--shadow); }
.login-card h1 { margin: 0 0 4px; font-size: 20px; color: var(--brand); }
.login-card .sub { color: var(--muted); margin-bottom: 20px; font-size: 13px; }
.login-card label { display: block; font-size: 12px; color: var(--muted); margin: 12px 0 4px; }
.login-card input, .login-card select { width: 100%; padding: 10px 12px; border: 1px solid var(--line);
  border-radius: 8px; font-size: 14px; }
.login-card button { width: 100%; margin-top: 20px; padding: 11px; border: 0; border-radius: 8px;
  background: var(--brand2); color: #fff; font-size: 15px; font-weight: 600; cursor: pointer; }
.login-card button:hover { filter: brightness(1.05); }
.login-note { margin-top: 12px; font-size: 12px; color: var(--warn); }
.err { color: var(--danger); font-size: 12px; margin-top: 10px; min-height: 14px; }

/* ---------- layout ---------- */
.shell { display: flex; min-height: 100vh; }
.sidebar { width: 220px; background: var(--sidebar); color: var(--sidebar-ink); flex: 0 0 220px;
  padding: 18px 0; position: sticky; top: 0; height: 100vh; overflow-y: auto; }
.sidebar .brand { padding: 0 20px 16px; font-weight: 700; color: #fff; font-size: 16px;
  border-bottom: 1px solid rgba(255,255,255,.08); margin-bottom: 10px; }
.sidebar .brand small { display: block; font-weight: 400; color: var(--sidebar-ink); font-size: 11px; }
.nav a { display: flex; align-items: center; gap: 10px; padding: 11px 20px; color: var(--sidebar-ink);
  text-decoration: none; font-size: 14px; border-left: 3px solid transparent; cursor: pointer; }
.nav a:hover { background: rgba(255,255,255,.05); }
.nav a.active { background: rgba(22,163,74,.16); border-left-color: var(--brand2); color: #fff; }
.nav .grp { padding: 14px 20px 6px; font-size: 11px; text-transform: uppercase; letter-spacing: .06em; color: #6f7d75; }

.main { flex: 1; display: flex; flex-direction: column; }
.topbar { height: 56px; background: var(--panel); border-bottom: 1px solid var(--line);
  display: flex; align-items: center; justify-content: space-between; padding: 0 24px; position: sticky; top: 0; z-index: 5; }
.topbar .crumbs { color: var(--muted); font-size: 13px; }
.topbar .user { display: flex; align-items: center; gap: 12px; }
.topbar .role { background: var(--brand); color: #fff; padding: 2px 9px; border-radius: 20px; font-size: 11px; }
.topbar button { border: 1px solid var(--line); background: #fff; border-radius: 8px; padding: 6px 12px; cursor: pointer; }
.content { padding: 24px; }
h2.page-title { margin: 0 0 4px; font-size: 19px; }
.page-sub { color: var(--muted); margin-bottom: 18px; font-size: 13px; }

/* ---------- cards / kpi ---------- */
.kpis { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 22px; }
.kpi { background: var(--panel); border-radius: 12px; padding: 16px 18px; box-shadow: var(--shadow); }
.kpi .label { color: var(--muted); font-size: 12px; }
.kpi .val { font-size: 22px; font-weight: 700; margin-top: 6px; }
.kpi.income .val { color: var(--ok); }
.kpi.expense .val, .kpi.reimb .val { color: var(--danger); }
.kpi.net .val { color: var(--brand); }
.panel { background: var(--panel); border-radius: 12px; padding: 18px; box-shadow: var(--shadow); margin-bottom: 18px; }
.panel h3 { margin: 0 0 14px; font-size: 15px; }
.grid2 { display: grid; grid-template-columns: 1.3fr 1fr; gap: 18px; }

/* ---------- table ---------- */
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--line); }
th { color: var(--muted); font-weight: 600; background: #fafbfc; position: sticky; top: 0; cursor: default; }
tbody tr:hover { background: #fafcfa; }
.neg { color: var(--danger); }
.pos { color: var(--ok); }

/* ---------- badges / buttons ---------- */
.badge { display: inline-block; padding: 2px 8px; border-radius: 20px; font-size: 11px; font-weight: 600; }
.badge.draft { background: #eef0f3; color: #5b6573; }
.badge.submitted { background: #fff4e0; color: var(--warn); }
.badge.approved { background: #e6f6ec; color: var(--ok); }
.badge.rejected { background: #fdecea; color: var(--danger); }
.badge.paid { background: #e6efff; color: #2563eb; }
.btn { border: 1px solid var(--line); background: #fff; border-radius: 8px; padding: 7px 13px; cursor: pointer; font-size: 13px; }
.btn:hover { background: #f6f8f7; }
.btn.primary { background: var(--brand2); color: #fff; border-color: var(--brand2); }
.btn.primary:hover { filter: brightness(1.05); }
.btn.danger { color: var(--danger); border-color: #f0c9c4; }
.btn.sm { padding: 4px 9px; font-size: 12px; }
.toolbar { display: flex; gap: 10px; align-items: center; margin-bottom: 14px; flex-wrap: wrap; }
.toolbar input, .toolbar select { padding: 7px 10px; border: 1px solid var(--line); border-radius: 8px; font-size: 13px; }
.spacer { flex: 1; }
.muted { color: var(--muted); }
.right { text-align: right; }

/* ---------- modal ---------- */
.modal-overlay { position: fixed; inset: 0; background: rgba(15,23,19,.45); display: flex; align-items: flex-start;
  justify-content: center; padding: 40px 16px; overflow-y: auto; z-index: 50; }
.modal { background: #fff; border-radius: 12px; width: 720px; max-width: 100%; box-shadow: var(--shadow); }
.modal header { padding: 16px 20px; border-bottom: 1px solid var(--line); font-weight: 600; font-size: 16px;
  display: flex; justify-content: space-between; align-items: center; }
.modal header .x { cursor: pointer; color: var(--muted); font-size: 20px; line-height: 1; }
.modal .body { padding: 18px 20px; max-height: 70vh; overflow-y: auto; }
.modal footer { padding: 14px 20px; border-top: 1px solid var(--line); display: flex; gap: 10px; justify-content: flex-end; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 16px; }
.form-grid .full { grid-column: 1 / -1; }
.form-grid label { font-size: 12px; color: var(--muted); display: block; margin-bottom: 4px; }
.form-grid input, .form-grid select, .form-grid textarea { width: 100%; padding: 8px 10px; border: 1px solid var(--line);
  border-radius: 8px; font-size: 13px; font-family: inherit; }
.form-grid textarea { resize: vertical; min-height: 60px; }

/* line items */
.items-table input { width: 100%; padding: 6px 8px; border: 1px solid var(--line); border-radius: 6px; font-size: 12px; }
.items-table th { position: static; background: #fafbfc; }

/* toast */
#toast-root { position: fixed; right: 20px; bottom: 20px; display: flex; flex-direction: column; gap: 8px; z-index: 100; }
.toast { background: #1f2733; color: #fff; padding: 10px 16px; border-radius: 8px; font-size: 13px; box-shadow: var(--shadow);
  animation: pop .2s ease; }
.toast.ok { background: var(--ok); }
.toast.err { background: var(--danger); }
@keyframes pop { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

.bar-row { display: flex; align-items: center; gap: 10px; margin: 6px 0; font-size: 13px; }
.bar-row .name { width: 150px; color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.bar-track { flex: 1; background: #eef1f4; border-radius: 6px; height: 18px; overflow: hidden; }
.bar-fill { height: 100%; background: var(--brand2); border-radius: 6px; }
.bar-fill.neg { background: var(--danger); }
.bar-row .amt { width: 110px; text-align: right; }
.empty { color: var(--muted); text-align: center; padding: 30px; }
@media (max-width: 880px) { .sidebar { display: none; } .kpis { grid-template-columns: 1fr 1fr; } .grid2 { grid-template-columns: 1fr; } .form-grid { grid-template-columns: 1fr; } }