/* === HERE2BE FACTURES ===
   Palette warm charcoal + terracotta accent.
   Type: Instrument Serif (display) + JetBrains Mono (data/labels).
*/

:root {
  --bg: #f5f1ea;
  --surface: #ffffff;
  --ink: #1a1816;
  --ink-2: #5c574f;
  --ink-3: #8a847a;
  --line: #d9d3c7;
  --line-2: #ebe6dc;
  --accent: #b8451e;
  --accent-soft: #f4e3dc;
  --accent-2: #2d5f3f;
  --accent-2-soft: #dce8df;
  --warn: #8a6d1b;
  --warn-soft: #f0e8d0;
  --mono: 'JetBrains Mono', ui-monospace, monospace;
  --serif: 'Instrument Serif', Georgia, serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  font-family: system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--ink);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* === HEADER === */
.topbar {
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 100;
}

.topbar-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 24px 0;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  flex-wrap: wrap;
}

.brand { display: flex; gap: 14px; align-items: center; }

.brand-mark {
  font-family: var(--mono);
  font-weight: 700;
  font-size: 13px;
  color: var(--surface);
  background: var(--ink);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  letter-spacing: -0.5px;
}

.brand h1 { font-family: var(--serif); font-size: 26px; font-weight: 400; line-height: 1.05; color: var(--ink); }
.brand-sub { font-family: var(--mono); font-size: 11px; color: var(--ink-3); text-transform: uppercase; letter-spacing: 0.6px; margin-top: 2px; }

.topbar-meta { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }

.meta-tag { font-family: var(--mono); font-size: 10px; color: var(--ink-2); background: var(--bg); padding: 4px 10px; letter-spacing: 0.5px; text-transform: uppercase; }
.meta-tag.live::before { content: ''; display: inline-block; width: 6px; height: 6px; background: var(--accent-2); border-radius: 50%; margin-right: 6px; vertical-align: middle; }

/* === PANELS === */
main { max-width: 1200px; margin: 0 auto; padding: 24px; }
.panel { display: none; }
.panel.active { display: block; }

/* === KPI GRID === */
.kpi-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; margin-bottom: 24px; }

.kpi { background: var(--surface); border: 1px solid var(--line); padding: 18px 16px; position: relative; }
.kpi-label { font-family: var(--mono); font-size: 10px; text-transform: uppercase; letter-spacing: 0.6px; color: var(--ink-3); margin-bottom: 6px; }
.kpi-value { font-family: var(--serif); font-size: 26px; font-weight: 400; line-height: 1; color: var(--ink); word-break: break-word; }
.kpi-unit { font-family: var(--mono); font-size: 11px; color: var(--ink-2); margin-top: 4px; }
.kpi-accent { border-left: 3px solid var(--accent); }
.kpi-green { border-left: 3px solid var(--accent-2); }
.kpi-warn { border-left: 3px solid var(--warn); }

/* === CARD === */
.card { background: var(--surface); border: 1px solid var(--line); padding: 20px 24px; margin-bottom: 16px; }
.card h2 { font-family: var(--serif); font-size: 20px; font-weight: 400; margin-bottom: 16px; color: var(--ink); }
.card h2 .data-year { font-family: var(--mono); font-size: 10px; color: var(--ink-3); margin-left: 8px; text-transform: uppercase; letter-spacing: 0.5px; font-style: normal; }

/* === FACTURES GRID === */
.factures-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 12px; }

.facture-card {
  background: var(--surface);
  border: 1px solid var(--line);
  padding: 16px;
  cursor: pointer;
  transition: border-color 0.15s, transform 0.1s;
}
.facture-card:hover { border-color: var(--accent); transform: translateY(-2px); }

.fc-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
.fc-num { font-family: var(--mono); font-size: 12px; font-weight: 700; color: var(--ink); }
.fc-projet { font-family: var(--serif); font-size: 19px; color: var(--ink); margin-bottom: 4px; }
.fc-type { font-size: 12px; color: var(--ink-2); margin-bottom: 12px; min-height: 32px; }
.fc-meta { display: flex; justify-content: space-between; align-items: baseline; font-family: var(--mono); font-size: 11px; color: var(--ink-3); border-top: 1px solid var(--line-2); padding-top: 10px; }
.fc-montant { font-weight: 700; color: var(--accent); }

/* === STATUS BADGE === */
.status { display: inline-block; font-family: var(--mono); font-size: 10px; padding: 2px 8px; text-transform: uppercase; letter-spacing: 0.5px; }
.status.ok { background: var(--accent-2-soft); color: var(--accent-2); }
.status.warn { background: var(--warn-soft); color: var(--warn); }

/* === BACK BTN === */
.back-btn {
  font-family: var(--mono);
  font-size: 12px;
  background: var(--surface);
  border: 1px solid var(--line);
  padding: 8px 14px;
  cursor: pointer;
  margin-bottom: 16px;
  color: var(--ink-2);
}
.back-btn:hover { border-color: var(--accent); color: var(--ink); }

/* === FACTURE SHEET (template PDF-like) === */
.facture-sheet {
  background: #fff;
  border: 1px solid var(--line);
  padding: 40px;
  max-width: 820px;
  margin: 0 auto;
  font-family: system-ui, sans-serif;
  color: var(--ink);
}

/* Grille 1x2 : Émetteur | Adressé à */
.fs-parties {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
}

.fs-box {
  border: 1px solid var(--line);
  padding: 14px 18px;
  font-size: 12px;
  color: var(--ink-2);
}

.fs-emetteur { }
.fs-destinataire { }

.fs-label { font-family: var(--mono); font-size: 10px; text-transform: uppercase; letter-spacing: 0.5px; color: var(--ink-3); margin-bottom: 8px; }
.fs-brand { font-family: var(--serif); font-size: 22px; color: var(--ink); margin-bottom: 8px; font-weight: 400; }
.fs-dest-nom { font-family: var(--serif); font-size: 17px; color: var(--ink); margin-bottom: 4px; }
.fs-line { margin-bottom: 2px; }

.fs-meta-bar {
  border-top: 2px solid var(--ink);
  border-bottom: 1px solid var(--line);
  padding: 14px 0;
  margin-bottom: 24px;
  font-size: 12px;
}
.fs-title { font-family: var(--serif); font-size: 24px; color: var(--accent); margin-bottom: 8px; font-weight: 400; }

.fs-table { width: 100%; border-collapse: collapse; font-size: 12px; margin-bottom: 20px; }
.fs-table th { font-family: var(--mono); font-size: 10px; text-transform: uppercase; letter-spacing: 0.5px; color: var(--ink-3); text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--ink); }
.fs-table td { padding: 10px; border-bottom: 1px solid var(--line-2); vertical-align: top; }
.fs-table .num { text-align: right; font-family: var(--mono); white-space: nowrap; }
.fs-table .desc { max-width: 380px; }

.fs-totaux { margin-left: auto; width: 60%; font-size: 13px; }
.fs-total-row { display: flex; justify-content: space-between; padding: 6px 10px; border-bottom: 1px solid var(--line-2); }
.fs-total-row .num { font-family: var(--mono); font-weight: 500; }
.fs-total-row.grand { font-family: var(--serif); font-size: 18px; border-bottom: 2px solid var(--ink); border-top: 1px solid var(--ink); margin-top: 4px; }

.fs-banque { border: 1px solid var(--line); padding: 14px 18px; margin-top: 24px; font-size: 11px; color: var(--ink-2); }
.fs-banque .fs-label { margin-bottom: 8px; }
.fs-banque .fs-line { margin-bottom: 2px; }

.fs-footer { text-align: center; font-family: var(--mono); font-size: 9px; color: var(--ink-3); margin-top: 24px; }

.dl-btn {
  font-family: var(--mono);
  font-size: 12px;
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 10px 18px;
  cursor: pointer;
  letter-spacing: 0.5px;
}
.dl-btn:hover { background: #9c3a18; }

.footer { display: flex; flex-direction: column; align-items: center; gap: 4px; text-align: center; font-family: var(--mono); font-size: 9px; color: var(--ink-3); margin-top: 40px; padding-top: 20px; border-top: 1px solid var(--line); }

@media (max-width: 680px) {
  .facture-sheet { padding: 20px; }
  .fs-parties { grid-template-columns: 1fr; }
  .fs-meta { text-align: left; }
  .fs-totaux { width: 100%; }
  .fs-table .desc { max-width: 200px; }
}

/* === NOTES === */
.note { font-family: var(--mono); font-size: 11px; color: var(--ink-3); margin-top: 12px; padding: 10px 12px; background: var(--bg); border-left: 2px solid var(--line); }

/* === LOGIN LAYER === */
body.locked .topbar,
body.locked main,
body.locked .footer { display: none; }

#loginLayer {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: var(--bg);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
body.locked #loginLayer { display: flex; }

.login-card {
  background: var(--surface);
  border: 1px solid var(--line);
  width: 100%;
  max-width: 380px;
  padding: 36px 32px 30px;
  text-align: center;
}

.login-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 28px;
}
.login-brand .brand-mark { margin: 0; }
.login-brand-sub {
  font-family: var(--mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--ink-3);
}

.login-title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 32px;
  color: var(--ink);
  line-height: 1.05;
  margin-bottom: 8px;
}
.login-sub {
  font-size: 13px;
  color: var(--ink-2);
  margin-bottom: 28px;
  line-height: 1.5;
}

.login-label {
  display: block;
  font-family: var(--mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--ink-3);
  text-align: left;
  margin-bottom: 8px;
}
.login-input {
  width: 100%;
  font-family: var(--mono);
  font-size: 15px;
  letter-spacing: 1px;
  color: var(--ink);
  background: var(--bg);
  border: 1px solid var(--line);
  padding: 12px 14px;
  margin-bottom: 16px;
  outline: none;
}
.login-input:focus { border-color: var(--accent); }

.login-btn {
  width: 100%;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  background: var(--ink);
  color: var(--surface);
  border: none;
  padding: 12px;
  cursor: pointer;
}
.login-btn:hover { background: var(--accent); }

.login-error {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--accent);
  margin-top: 14px;
  min-height: 14px;
}

@keyframes loginShake {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-6px); }
  40%, 80% { transform: translateX(6px); }
}
.login-card.shake { animation: loginShake 0.4s ease; }