:root {
  --bg: #f4f5f7;
  --surface: #ffffff;
  --surface-2: #f8f9fb;
  --border: #e3e6eb;
  --border-strong: #cfd4dc;
  --ink: #16191f;
  --ink-2: #4a5160;
  --ink-3: #7a8191;
  --accent: #1d4ed8;
  --accent-ink: #ffffff;
  --accent-soft: #e8eefc;
  --warn-bg: #fff6e0;
  --warn-ink: #7a5300;
  --bad-bg: #fdecec;
  --bad-ink: #a12020;
  --good-ink: #16723a;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(16, 24, 40, 0.06);
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1115;
    --surface: #171a20;
    --surface-2: #1c2027;
    --border: #2a2f38;
    --border-strong: #3a414c;
    --ink: #eceef2;
    --ink-2: #b4bac6;
    --ink-3: #868d9a;
    --accent: #6b93ff;
    --accent-ink: #0b1020;
    --accent-soft: #1d2740;
    --warn-bg: #2e2510;
    --warn-ink: #f2c65c;
    --bad-bg: #331a1a;
    --bad-ink: #ff9a9a;
    --good-ink: #6fd69a;
    --shadow: none;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 14px/1.45 -apple-system, BlinkMacSystemFont, 'Segoe UI', Inter, Roboto, 'Helvetica Neue', Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

button, select, input { font: inherit; color: inherit; }
a { color: var(--accent); }

.num, td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.muted { color: var(--ink-3); }
.hidden { display: none !important; }

/* ---------- En-tête ---------- */
.topbar {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; gap: 16px;
  padding: 12px 24px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 650; letter-spacing: -0.01em; }
.brand img { width: 26px; height: 26px; }
.brand small { font-weight: 450; color: var(--ink-3); }
.topbar .spacer { flex: 1; }
/* Synchro : pastille d'état + bouton plein, pour qu'on sache d'un coup d'œil si les chiffres sont frais. */
.sync-status { display: flex; align-items: center; gap: 10px; color: var(--ink-2); font-size: 13px; line-height: 1.35; }
.sync-status strong { color: var(--ink); font-weight: 600; }
.dot { flex: none; width: 10px; height: 10px; border-radius: 50%; background: var(--ink-3); }
.dot.ok { background: var(--good-ink); box-shadow: 0 0 0 3px color-mix(in srgb, var(--good-ink) 18%, transparent); }
.dot.running { background: var(--accent); animation: pulse 1.2s ease-in-out infinite; }
.dot.paused { background: var(--warn-ink); box-shadow: 0 0 0 3px color-mix(in srgb, var(--warn-ink) 18%, transparent); }
.dot.error { background: var(--bad-ink); box-shadow: 0 0 0 3px color-mix(in srgb, var(--bad-ink) 18%, transparent); }
.sync-btn { height: 38px; padding: 0 16px; font-weight: 600; }
.sync-btn.running:disabled { opacity: 1; }
.sync-icon { width: 17px; height: 17px; flex: none; }
.sync-btn.running .sync-icon { animation: spin 0.9s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes pulse { 50% { opacity: 0.35; } }

.btn {
  display: inline-flex; align-items: center; gap: 6px;
  height: 34px; padding: 0 14px;
  border: 1px solid var(--border-strong); border-radius: 8px;
  background: var(--surface); color: var(--ink);
  cursor: pointer; text-decoration: none; white-space: nowrap;
}
.btn:hover { background: var(--surface-2); }
.btn:disabled { opacity: 0.55; cursor: default; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn.primary:hover { filter: brightness(1.06); }
.btn.small { height: 28px; padding: 0 10px; font-size: 13px; }
.btn.ghost { border-color: transparent; background: transparent; }

.banner { padding: 10px 24px; background: var(--warn-bg); color: var(--warn-ink); font-weight: 500; }

/* ---------- Onglets sociétés ---------- */
.company-tabs {
  display: flex; gap: 4px;
  padding: 0 24px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  overflow-x: auto;
}
.company-tab {
  padding: 14px 18px 12px;
  border: 0; border-bottom: 3px solid transparent;
  background: none; cursor: pointer; text-align: left;
  color: var(--ink-2);
}
.company-tab strong { display: block; font-size: 15px; color: var(--ink); }
.company-tab span { font-size: 12px; }
.company-tab[aria-selected='true'] { border-bottom-color: var(--accent); }
.company-tab[aria-selected='true'] strong { color: var(--accent); }

main { max-width: 1480px; margin: 0 auto; padding: 20px 24px 64px; }

/* ---------- Bandeau société ---------- */
.company-bar {
  display: flex; flex-wrap: wrap; align-items: center; gap: 12px 24px;
  margin-bottom: 16px;
}
.company-bar h1 { margin: 0; font-size: 22px; letter-spacing: -0.02em; }
.facts { display: flex; flex-wrap: wrap; gap: 4px 18px; color: var(--ink-2); font-size: 13px; }
.facts b { color: var(--ink); font-weight: 600; }
.company-bar .spacer { flex: 1; }
.year-picker { display: flex; align-items: center; gap: 8px; }
select { height: 34px; padding: 0 10px; border: 1px solid var(--border-strong); border-radius: 8px; background: var(--surface); }

/* ---------- Tuiles ---------- */
.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 12px; margin-bottom: 18px; }
.tile {
  padding: 14px 16px;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.tile .label { color: var(--ink-2); font-size: 12.5px; }
.tile .value { margin-top: 4px; font-size: 22px; font-weight: 650; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.tile .hint { margin-top: 2px; color: var(--ink-3); font-size: 12px; }

/* ---------- Cartes & tableaux ---------- */
.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow); margin-bottom: 18px;
}
.card-head {
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px 12px;
  padding: 14px 16px; border-bottom: 1px solid var(--border);
}
.card-head h2 { margin: 0; font-size: 15px; }
.card-head .spacer { flex: 1; }
.card-body { padding: 14px 16px; }
.scroll { overflow-x: auto; }

table { width: 100%; border-collapse: collapse; }
th, td { padding: 8px 10px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; }
th { position: sticky; top: 0; background: var(--surface-2); color: var(--ink-2); font-weight: 600; font-size: 12px; white-space: nowrap; }
tbody tr:last-child td { border-bottom: 0; }
tfoot td { border-top: 2px solid var(--border-strong); border-bottom: 0; font-weight: 650; background: var(--surface-2); }
th.group { text-align: center; border-bottom: 1px solid var(--border); background: var(--surface); font-size: 11.5px; text-transform: uppercase; letter-spacing: 0.04em; color: var(--ink-3); }
th.sep, td.sep { border-left: 1px solid var(--border); }
tr.clickable { cursor: pointer; }
tr.clickable:hover td { background: var(--accent-soft); }
tr.selected td { background: var(--accent-soft); }
tr.empty td { color: var(--ink-3); }

.pill { display: inline-block; padding: 1px 8px; border-radius: 999px; font-size: 12px; background: var(--surface-2); border: 1px solid var(--border); color: var(--ink-2); white-space: nowrap; }
.pill.paid { color: var(--good-ink); }
.pill.blocked { color: var(--bad-ink); background: var(--bad-bg); border-color: transparent; }

/* ---------- Détail du mois ---------- */
.month-head { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; padding: 14px 16px 0; }
.month-head h2 { margin: 0; font-size: 18px; text-transform: capitalize; }
.month-head .spacer { flex: 1; }
/* Onglets du mois : de vrais boutons, pour qu'on voie tout de suite les autres vues disponibles. */
.subtabs { display: flex; flex-wrap: wrap; gap: 8px; padding: 14px 16px; border-bottom: 1px solid var(--border); }
.subtab {
  display: inline-flex; align-items: center; gap: 8px;
  height: 40px; padding: 0 18px;
  border: 1px solid var(--border-strong); border-radius: 999px;
  background: var(--surface-2); color: var(--ink);
  font-size: 14.5px; font-weight: 600; cursor: pointer; white-space: nowrap;
}
.subtab:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-soft); }
.subtab[aria-selected='true'] { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.subtab .count {
  display: inline-grid; place-items: center; min-width: 24px; height: 22px; padding: 0 7px;
  border-radius: 999px; background: var(--accent-soft); color: var(--accent);
  font-size: 12px; font-weight: 650; font-variant-numeric: tabular-nums;
}
.subtab[aria-selected='true'] .count { background: var(--surface); color: var(--accent); }
.toolbar { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; padding: 12px 16px; }
.toolbar .spacer { flex: 1; }
.toolbar input[type='search'] { height: 32px; padding: 0 10px; border: 1px solid var(--border-strong); border-radius: 8px; background: var(--surface); min-width: 240px; }

.blocks { display: grid; grid-template-columns: repeat(auto-fit, minmax(400px, 1fr)); gap: 14px; padding: 16px; }
.block { border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.block h3 { margin: 0; padding: 10px 14px; font-size: 13.5px; background: var(--surface-2); border-bottom: 1px solid var(--border); }
.block h3 small { font-weight: 400; color: var(--ink-3); }
.block dl { display: grid; grid-template-columns: 1fr auto; margin: 0; padding: 8px 14px 12px; gap: 6px 12px; }
.block dt { color: var(--ink-2); }
.block dd { margin: 0; text-align: right; font-variant-numeric: tabular-nums; }
.block dt.total, .block dd.total { font-weight: 650; color: var(--ink); border-top: 1px solid var(--border); padding-top: 6px; }
.block table th { position: static; }
.block th, .block td { padding: 7px 8px; }

.note { margin: 0 16px 16px; padding: 12px 14px; border-radius: 8px; background: var(--surface-2); color: var(--ink-2); font-size: 13px; }
.note ul { margin: 6px 0 0; padding-left: 18px; }

.empty-state { padding: 40px 24px; text-align: center; color: var(--ink-2); }
.empty-state h2 { color: var(--ink); margin-top: 0; }
.setup { max-width: 760px; margin: 0 auto; text-align: left; }
.setup ol { line-height: 1.7; }
.setup code { background: var(--surface-2); border: 1px solid var(--border); border-radius: 5px; padding: 1px 5px; font-size: 12.5px; }

.lines-row td { background: var(--surface-2); padding: 0 10px 10px; }
.lines-row table { background: var(--surface); border: 1px solid var(--border); border-radius: 8px; }

/* ---------- Connexion ---------- */
.login-page { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.login-card { width: 100%; max-width: 380px; padding: 28px; background: var(--surface); border: 1px solid var(--border); border-radius: 14px; box-shadow: var(--shadow); }
.login-card h1 { margin: 12px 0 4px; font-size: 20px; }
.login-card p { margin: 0 0 18px; color: var(--ink-2); }
.login-card label { display: block; margin-bottom: 6px; font-weight: 600; font-size: 13px; }
.login-card input { width: 100%; height: 40px; padding: 0 12px; border: 1px solid var(--border-strong); border-radius: 8px; background: var(--surface); margin-bottom: 14px; }
.login-card .btn { width: 100%; justify-content: center; height: 40px; }
.login-card .error { min-height: 20px; margin-top: 10px; color: var(--bad-ink); font-size: 13px; }

@media (max-width: 720px) {
  .topbar { padding: 10px 16px; flex-wrap: wrap; }
  .sync-status { order: 5; width: 100%; text-align: left; }
  main { padding: 16px 16px 48px; }
  .company-tabs { padding: 0 16px; }
  .tiles { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .tile { padding: 12px; }
  .tile .value { font-size: 17px; }
  .blocks { padding: 12px; grid-template-columns: 1fr; }
}