:root {
  --blue: #2563eb;
  --blue-light: #eff3ff;
  --text: #1f2430;
  --muted: #8a94a6;
  --border: #e6e9f0;
  --bg: #f5f7fb;
  --green-bg: #e6f7ee;
  --green-text: #1a9d5c;
  --red-bg: #fdeeee;
  --red-text: #e0524b;
  --yellow-bg: #fff6db;
  --yellow-text: #a8760a;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

/* ---------- Login ---------- */
.login-body {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #0f172a, #1e3a8a);
}
.login-card {
  background: #fff;
  padding: 40px;
  border-radius: 14px;
  width: 340px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.25);
}
.login-logo { font-size: 24px; font-weight: 700; margin-bottom: 4px; }
.login-logo span { color: var(--blue); }
.login-sub { color: var(--muted); font-size: 13px; margin-bottom: 24px; }
.login-card label { display: block; font-size: 13px; margin: 12px 0 6px; color: var(--text); }
.login-card input {
  width: 100%; padding: 10px 12px; border: 1px solid var(--border); border-radius: 8px; font-size: 14px;
}
.login-card button {
  margin-top: 20px; width: 100%; padding: 11px; border: none; border-radius: 8px;
  background: var(--blue); color: #fff; font-weight: 600; cursor: pointer; font-size: 14px;
}
.login-card button:hover { background: #1d4fd1; }
.login-error { color: var(--red-text); font-size: 13px; margin-top: 10px; }

/* ---------- Topbar ---------- */
.topbar {
  display: flex; justify-content: space-between; align-items: center;
  padding: 14px 28px; background: #fff; border-bottom: 1px solid var(--border);
}
.brand { font-size: 20px; font-weight: 700; }
.brand span { color: var(--blue); }
.topbar-right { display: flex; align-items: center; gap: 14px; }
.user-label { color: var(--muted); font-size: 13px; }
.btn-ghost {
  background: none; border: 1px solid var(--border); padding: 7px 14px; border-radius: 8px;
  cursor: pointer; font-size: 13px; color: var(--text);
}
.btn-ghost:hover { background: var(--bg); }

/* ---------- Page ---------- */
.page { max-width: 1300px; margin: 0 auto; padding: 24px 28px 60px; }
.page-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; }
.page-head h1 { margin: 0; font-size: 24px; }
.page-actions { display: flex; gap: 10px; }

.btn-primary, .btn-outline {
  padding: 9px 16px; border-radius: 8px; font-size: 13px; font-weight: 600; cursor: pointer; border: 1px solid transparent;
}
.btn-primary { background: var(--blue); color: #fff; }
.btn-primary:hover { background: #1d4fd1; }
.btn-outline { background: #fff; border-color: var(--border); color: var(--text); }
.btn-outline:hover { background: var(--bg); }

/* ---------- Month nav ---------- */
.month-nav { display: flex; align-items: center; gap: 8px; margin-bottom: 4px; overflow-x: auto; }
.month-tabs { display: flex; gap: 8px; overflow-x: auto; }
.month-tabs button {
  flex: none; padding: 9px 16px; border-radius: 8px; border: 1px solid var(--border);
  background: #fff; cursor: pointer; font-size: 13px; white-space: nowrap;
}
.month-tabs button.active { border-color: var(--blue); color: var(--blue); font-weight: 600; }
.chip-arrow {
  border: 1px solid var(--border); background: #fff; border-radius: 8px; width: 32px; height: 32px;
  cursor: pointer; font-size: 16px; flex: none;
}
.range-label { color: var(--muted); font-size: 12px; margin: 6px 0 20px; }

/* ---------- Stat cards ---------- */
.stat-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; margin-bottom: 24px; }
.stat-card {
  background: #fff; border: 1px solid var(--border); border-radius: 12px; padding: 18px;
  display: flex; align-items: center; gap: 14px;
}
.stat-icon {
  width: 40px; height: 40px; border-radius: 10px; display: flex; align-items: center; justify-content: center;
  font-size: 18px; flex: none;
}
.stat-icon-neutral { background: #eef0f5; color: #5b6478; }
.stat-icon-red { background: var(--red-bg); color: var(--red-text); }
.stat-icon-green { background: var(--green-bg); color: var(--green-text); }
.stat-label { color: var(--muted); font-size: 12px; margin-bottom: 4px; }
.stat-value { font-size: 18px; font-weight: 700; }
.stat-sub { font-size: 12px; color: var(--muted); margin-top: 2px; }

/* ---------- Toolbar ---------- */
.toolbar { display: flex; justify-content: space-between; align-items: center; gap: 16px; margin-bottom: 14px; flex-wrap: wrap; }
#searchInput {
  flex: 1; min-width: 220px; padding: 10px 14px; border: 1px solid var(--border); border-radius: 8px; font-size: 13px;
}
.status-filter { display: flex; gap: 6px; flex-wrap: wrap; }
.filter-chip {
  padding: 7px 12px; border-radius: 8px; border: 1px solid var(--border); background: #fff; cursor: pointer; font-size: 12.5px;
}
.filter-chip.active { background: var(--blue-light); border-color: var(--blue); color: var(--blue); font-weight: 600; }

/* ---------- Table ---------- */
.table-wrap { background: #fff; border: 1px solid var(--border); border-radius: 12px; overflow: hidden; }
table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
thead th {
  text-align: left; padding: 12px 16px; color: var(--muted); font-size: 11.5px; text-transform: uppercase;
  letter-spacing: 0.03em; border-bottom: 1px solid var(--border); background: #fafbfd;
}
tbody td { padding: 14px 16px; border-bottom: 1px solid var(--border); vertical-align: top; }
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover { background: #fafbfd; }
.ref-cell { color: var(--blue); font-weight: 600; }
.amount-cell { font-weight: 600; }
.empty-row { text-align: center; color: var(--muted); padding: 40px; }

.badge {
  display: inline-block; padding: 4px 10px; border-radius: 6px; font-size: 12px; font-weight: 600;
}
.badge-paye { background: var(--green-bg); color: var(--green-text); }
.badge-non_paye { background: var(--yellow-bg); color: var(--yellow-text); }
.badge-partiel { background: #fff1e0; color: #b8620a; }
.badge-retard { background: var(--red-bg); color: var(--red-text); }
.badge-brouillon { background: #eef0f5; color: #5b6478; }
.badge-annule { background: #eef0f5; color: #5b6478; }
.badge-avoir { background: #eef0f5; color: #5b6478; }

.table-footer { color: var(--muted); font-size: 12px; margin-top: 12px; }