/* =========================================================
   Identité : "Ledger" — sobre, chiffré, orienté comptabilité.
   Palette : encre profonde + un seul accent cuivré-signal.
   Typo : une display condensée pour les titres, une texte
   neutre pour l'UI, une monospace pour tous les montants
   (comme sur un relevé bancaire réel).
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Archivo:wght@500;600;700;800&family=Inter:wght@400;500;600&family=IBM+Plex+Mono:wght@500;600&display=swap');

:root {
  --ink-900: #10141F;
  --ink-800: #171D2B;
  --ink-700: #232B3D;
  --paper: #F7F6F2;
  --paper-dim: #EDEBE4;
  --signal: #C8722C;   /* cuivre signal — accent unique */
  --signal-soft: #E8B98B;
  --ok: #2E7D5B;
  --danger: #B4453C;
  --line: rgba(16, 20, 31, 0.10);
  --line-dark: rgba(247, 246, 242, 0.12);
}

* { box-sizing: border-box; }

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--paper);
  color: var(--ink-900);
  font-size: 15px;
}

h1, h2, h3, .display {
  font-family: 'Archivo', sans-serif;
  letter-spacing: -0.01em;
}

.mono, .amount, .ref-code {
  font-family: 'IBM Plex Mono', monospace;
}

/* ---------- Layout admin ---------- */
.app-shell { display: flex; min-height: 100vh; }

.sidebar {
  width: 250px;
  background: var(--ink-900);
  color: var(--paper);
  padding: 28px 20px;
  flex-shrink: 0;
}

.sidebar .brand {
  font-family: 'Archivo', sans-serif;
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin-bottom: 4px;
}
.sidebar .brand small {
  font-family: 'IBM Plex Mono', monospace;
  font-weight: 500;
  font-size: 0.65rem;
  color: var(--signal-soft);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.sidebar .tagline {
  font-size: 0.75rem;
  color: rgba(247,246,242,0.45);
  margin-bottom: 32px;
  border-bottom: 1px solid var(--line-dark);
  padding-bottom: 20px;
}

.sidebar nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(247,246,242,0.7);
  text-decoration: none;
  padding: 10px 12px;
  border-radius: 6px;
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 2px;
  transition: background .15s ease, color .15s ease;
}
.sidebar nav a:hover { background: var(--ink-700); color: var(--paper); }
.sidebar nav a.active {
  background: var(--ink-700);
  color: var(--paper);
  box-shadow: inset 3px 0 0 var(--signal);
}

.main-content { flex: 1; padding: 36px 40px; max-width: 1200px; }

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 28px;
}
.topbar h1 { font-size: 1.5rem; font-weight: 700; margin: 0; }
.topbar .subtitle { color: rgba(16,20,31,0.5); font-size: 0.85rem; margin-top: 2px; }

/* ---------- Cartes stats ---------- */
.stat-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-bottom: 32px; }
.stat-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 18px 20px;
}
.stat-card .label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: rgba(16,20,31,0.45);
  font-weight: 600;
  margin-bottom: 8px;
}
.stat-card .value {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 1.6rem;
  font-weight: 600;
}
.stat-card .value.accent { color: var(--signal); }

/* ---------- Cartes / panneaux ---------- */
.panel {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 24px;
  margin-bottom: 24px;
}

/* ---------- Table type "relevé" ---------- */
.ledger-table { width: 100%; border-collapse: collapse; font-size: 0.88rem; }
.ledger-table thead th {
  text-align: left;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: rgba(16,20,31,0.45);
  border-bottom: 1px solid var(--line);
  padding: 10px 12px;
  font-weight: 600;
}
.ledger-table tbody td {
  padding: 14px 12px;
  border-bottom: 1px solid var(--line);
  vertical-align: middle;
}
.ledger-table tbody tr:hover { background: rgba(200,114,44,0.04); }

.badge-status {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  border-radius: 100px;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.badge-status.active { background: rgba(46,125,91,0.12); color: var(--ok); }
.badge-status.archived { background: rgba(16,20,31,0.08); color: rgba(16,20,31,0.5); }
.badge-status.paid { background: rgba(46,125,91,0.12); color: var(--ok); }
.badge-status.pending { background: rgba(200,114,44,0.14); color: var(--signal); }
.badge-status.failed { background: rgba(180,69,60,0.12); color: var(--danger); }

/* ---------- Boutons ---------- */
.btn-signal {
  background: var(--signal);
  border-color: var(--signal);
  color: #fff;
  font-weight: 600;
}
.btn-signal:hover { background: #a95e21; border-color: #a95e21; color: #fff; }
.btn-outline-ink {
  border: 1px solid var(--line);
  color: var(--ink-900);
  background: transparent;
}
.btn-outline-ink:hover { background: var(--paper-dim); }

/* ---------- Page login ---------- */
.login-shell {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--ink-900);
  background-image: radial-gradient(circle at 20% 20%, rgba(200,114,44,0.08), transparent 40%);
}
.login-card {
  width: 380px;
  background: var(--paper);
  border-radius: 12px;
  padding: 36px 32px;
}
.login-card .brand { font-family: 'Archivo', sans-serif; font-weight: 800; font-size: 1.3rem; margin-bottom: 4px; }
.login-card .tagline { font-size: 0.8rem; color: rgba(16,20,31,0.5); margin-bottom: 28px; }

/* ---------- Page publique de paiement ---------- */
.pay-shell {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--ink-900);
  padding: 20px;
}
.pay-card {
  width: 100%;
  max-width: 440px;
  background: var(--paper);
  border-radius: 14px;
  padding: 40px 36px;
  text-align: center;
}
.pay-card .eyebrow {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--signal);
  margin-bottom: 14px;
}
.pay-card .amount-display {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 2.6rem;
  font-weight: 600;
  margin-bottom: 4px;
}
.pay-card .description { color: rgba(16,20,31,0.6); margin-bottom: 28px; }

.qr-box {
  border: 1px dashed var(--line);
  border-radius: 10px;
  padding: 14px;
  display: inline-block;
  margin-top: 18px;
}

code.ref-code {
  background: var(--paper-dim);
  padding: 2px 8px;
  border-radius: 5px;
  font-size: 0.8rem;
}

@media (max-width: 800px) {
  .app-shell { flex-direction: column; }
  .sidebar { width: 100%; }
  .stat-row { grid-template-columns: 1fr; }
  .main-content { padding: 24px 18px; }
}