/* ── Reset & Base ────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --primary:   #1a56db;
  --primary-d: #1344b8;
  --danger:    #e02424;
  --success:   #057a55;
  --warn:      #b45309;
  --bg:        #f3f4f6;
  --card:      #ffffff;
  --border:    #e5e7eb;
  --text:      #111827;
  --muted:     #6b7280;
  --radius:    10px;

  /* category colours */
  --cat-attorney_fees:  #6366f1;
  --cat-filing_fees:    #f59e0b;
  --cat-documentation:  #10b981;
  --cat-travel:         #3b82f6;
  --cat-expert_witness: #8b5cf6;
  --cat-misc:           #6b7280;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

/* ── Nav ─────────────────────────────────────────────────── */
nav {
  background: var(--primary);
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.25rem;
  height: 54px;
  box-shadow: 0 2px 8px rgba(0,0,0,.15);
}
nav .brand {
  color: #fff;
  font-weight: 700;
  font-size: 1.1rem;
  margin-right: auto;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
nav a {
  color: rgba(255,255,255,.85);
  text-decoration: none;
  padding: 0.45rem 0.9rem;
  border-radius: 6px;
  font-size: 0.9rem;
  transition: background .15s;
}
nav a:hover, nav a.active { background: rgba(255,255,255,.18); color: #fff; }

/* ── Layout ──────────────────────────────────────────────── */
.page { max-width: 1000px; margin: 0 auto; padding: 1.5rem 1rem 3rem; }
h1 { font-size: 1.4rem; font-weight: 700; margin-bottom: 1.25rem; }
h2 { font-size: 1.1rem; font-weight: 600; margin-bottom: 1rem; }

/* ── Cards ───────────────────────────────────────────────── */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  margin-bottom: 1.25rem;
}

/* ── Stat grid ───────────────────────────────────────────── */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 1rem;
  margin-bottom: 1.25rem;
}
.stat-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem 1.25rem;
  border-left: 4px solid var(--primary);
}
.stat-card.attorney_fees  { border-left-color: var(--cat-attorney_fees); }
.stat-card.filing_fees    { border-left-color: var(--cat-filing_fees); }
.stat-card.documentation  { border-left-color: var(--cat-documentation); }
.stat-card.travel         { border-left-color: var(--cat-travel); }
.stat-card.expert_witness { border-left-color: var(--cat-expert_witness); }
.stat-card.misc           { border-left-color: var(--cat-misc); }
.stat-card .label { font-size: .78rem; color: var(--muted); margin-bottom: .3rem; text-transform: uppercase; letter-spacing: .03em; }
.stat-card .value { font-size: 1.35rem; font-weight: 700; }

/* ── Forms ───────────────────────────────────────────────── */
.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
}
.form-group { display: flex; flex-direction: column; gap: .35rem; }
.form-group label { font-size: .83rem; font-weight: 600; color: var(--muted); }
.form-group input,
.form-group select,
.form-group textarea {
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: .5rem .7rem;
  font-size: .95rem;
  width: 100%;
  transition: border-color .15s;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { outline: none; border-color: var(--primary); }
.form-group textarea { resize: vertical; min-height: 60px; }
.form-group.full { grid-column: 1 / -1; }

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .5rem 1.1rem;
  border: none;
  border-radius: 6px;
  font-size: .9rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity .15s;
}
.btn:hover { opacity: .88; }
.btn-primary  { background: var(--primary); color: #fff; }
.btn-danger   { background: var(--danger);  color: #fff; }
.btn-ghost    { background: transparent; color: var(--primary); border: 1px solid var(--border); }
.btn-sm       { padding: .3rem .7rem; font-size: .82rem; }

.form-actions { display: flex; gap: .75rem; margin-top: 1.25rem; flex-wrap: wrap; }

/* ── Table ───────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: .9rem; }
th { background: var(--bg); font-size: .78rem; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); padding: .6rem .8rem; text-align: left; border-bottom: 1px solid var(--border); }
td { padding: .65rem .8rem; border-bottom: 1px solid var(--border); vertical-align: middle; }
tr:last-child td { border-bottom: none; }
tr:hover td { background: #f9fafb; }

/* ── Badges ──────────────────────────────────────────────── */
.badge {
  display: inline-block;
  padding: .2rem .55rem;
  border-radius: 999px;
  font-size: .75rem;
  font-weight: 600;
  color: #fff;
}
.badge.attorney_fees  { background: var(--cat-attorney_fees); }
.badge.filing_fees    { background: var(--cat-filing_fees); }
.badge.documentation  { background: var(--cat-documentation); }
.badge.travel         { background: var(--cat-travel); }
.badge.expert_witness { background: var(--cat-expert_witness); }
.badge.misc           { background: var(--cat-misc); }

/* ── Alerts ──────────────────────────────────────────────── */
.alert {
  padding: .75rem 1rem;
  border-radius: 6px;
  font-size: .9rem;
  margin-bottom: 1rem;
  display: none;
}
.alert.show { display: block; }
.alert-success { background: #d1fae5; color: #065f46; border: 1px solid #a7f3d0; }
.alert-error   { background: #fee2e2; color: #991b1b; border: 1px solid #fca5a5; }

/* ── Filter bar ──────────────────────────────────────────── */
.filter-bar {
  display: flex;
  gap: .75rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
  align-items: flex-end;
}
.filter-bar .form-group { min-width: 140px; }

/* ── Empty state ─────────────────────────────────────────── */
.empty {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--muted);
}
.empty .icon { font-size: 2.5rem; margin-bottom: .5rem; }

/* ── Total row ───────────────────────────────────────────── */
tfoot td { font-weight: 700; background: #f9fafb; }

@media (max-width: 600px) {
  .stat-grid { grid-template-columns: 1fr 1fr; }
  .form-grid { grid-template-columns: 1fr; }
}