/* ============================================================
   FACTURES APP — Style principal
   ============================================================ */

:root {
  --primary: #0A1F3D;
  --accent: #B87333;
  --text: #1A1F2E;
  --text-soft: #4A5163;
  --line: #E4DFD5;
  --line-soft: #EFEBE1;
  --bg: #F8F7F4;
  --paper: #FFFFFF;
  --success: #166534;
  --success-bg: #DCFCE7;
  --error: #991B1B;
  --error-bg: #FEE2E2;
  --info: #1E40AF;
  --info-bg: #DBEAFE;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 15px; }
body {
  font-family: 'Inter', sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* ===== TOPBAR ===== */
.topbar {
  background: var(--paper);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 50;
}
.topbar-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 32px;
  height: 64px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1rem;
  color: var(--primary);
  text-decoration: none;
}
.brand-dot {
  width: 10px;
  height: 10px;
  background: var(--accent);
  border-radius: 2px;
}
.mainnav {
  display: flex;
  gap: 4px;
  flex: 1;
}
.mainnav a {
  padding: 8px 14px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-soft);
  text-decoration: none;
  border-radius: 6px;
  transition: all 0.15s;
}
.mainnav a:hover { background: var(--bg); color: var(--primary); }
.user-zone {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 0.85rem;
}
.user-name { font-weight: 600; color: var(--primary); }
.user-role {
  background: var(--line-soft);
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--text-soft);
}
.btn-logout {
  font-size: 0.8rem;
  color: var(--text-soft);
  text-decoration: none;
  border: 1px solid var(--line);
  padding: 6px 12px;
  border-radius: 6px;
  transition: all 0.15s;
}
.btn-logout:hover { background: var(--error-bg); color: var(--error); border-color: var(--error); }

/* ===== MAIN ===== */
.main {
  max-width: 1400px;
  margin: 0 auto;
  padding: 32px 24px;
}

/* ===== FLASH ===== */
.flash {
  padding: 12px 16px;
  border-radius: 6px;
  margin-bottom: 20px;
  font-size: 0.9rem;
  font-weight: 500;
}
.flash-success { background: var(--success-bg); color: var(--success); }
.flash-error { background: var(--error-bg); color: var(--error); }

/* ===== PAGE HEADER ===== */
.page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 28px;
  flex-wrap: wrap;
  gap: 16px;
}
.page-header h1 {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--primary);
}
.page-header .subtitle {
  color: var(--text-soft);
  font-size: 0.9rem;
  margin-top: 4px;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 16px;
  border-radius: 6px;
  font-size: 0.9rem;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.15s;
  font-family: inherit;
}
.btn-primary { background: var(--primary); color: white; }
.btn-primary:hover { background: #061530; }
.btn-accent { background: var(--accent); color: white; }
.btn-accent:hover { background: #8b5520; }
.btn-secondary {
  background: var(--paper);
  border-color: var(--line);
  color: var(--text);
}
.btn-secondary:hover { background: var(--bg); }
.btn-danger {
  background: white;
  color: var(--error);
  border-color: var(--error);
}
.btn-danger:hover { background: var(--error-bg); }
.btn-small { padding: 6px 10px; font-size: 0.8rem; }

/* ===== CARDS ===== */
.card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 24px;
  margin-bottom: 20px;
}
.card-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line-soft);
}

/* ===== STATS CARDS ===== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}
.stat-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 20px;
}
.stat-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--accent);
  margin-bottom: 8px;
}
.stat-value {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.1;
}
.stat-trend {
  font-size: 0.8rem;
  color: var(--text-soft);
  margin-top: 6px;
}

/* ===== TABLE ===== */
.data-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--paper);
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--line);
}
.data-table thead { background: var(--bg); }
.data-table th {
  padding: 12px 14px;
  text-align: left;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-soft);
  border-bottom: 1px solid var(--line);
}
.data-table td {
  padding: 12px 14px;
  font-size: 0.88rem;
  border-bottom: 1px solid var(--line-soft);
  vertical-align: middle;
}
.data-table tbody tr:hover { background: var(--bg); }
.data-table .num { text-align: right; font-variant-numeric: tabular-nums; }
.data-table .actions { white-space: nowrap; text-align: right; }
.data-table .actions a {
  font-size: 0.8rem;
  color: var(--text-soft);
  text-decoration: none;
  margin-left: 10px;
  font-weight: 500;
}
.data-table .actions a:hover { color: var(--primary); }
.data-table .actions a.danger:hover { color: var(--error); }

/* ===== BADGES ===== */
.badge {
  display: inline-block;
  padding: 3px 9px;
  border-radius: 4px;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.badge-brouillon { background: var(--line-soft); color: var(--text-soft); }
.badge-envoye { background: var(--info-bg); color: var(--info); }
.badge-accepte { background: #FEF3C7; color: #92400E; }
.badge-paye { background: var(--success-bg); color: var(--success); }
.badge-annule { background: var(--error-bg); color: var(--error); }
.badge-proforma, .badge-devis { background: #E0E7FF; color: #3730A3; }
.badge-facture { background: var(--success-bg); color: var(--success); }
.badge-commande { background: #FEF3C7; color: #92400E; }
.badge-recu { background: #F3E8FF; color: #6B21A8; }

/* ===== FORM ===== */
.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}
.form-grid.cols-2 { grid-template-columns: 1fr 1fr; }
.form-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.form-field {
  display: flex;
  flex-direction: column;
}
.form-field.span-2 { grid-column: span 2; }
.form-field.span-full { grid-column: 1 / -1; }
.form-field label {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-soft);
  margin-bottom: 6px;
}
.form-field label .required { color: var(--error); }
.form-field input[type="text"],
.form-field input[type="email"],
.form-field input[type="password"],
.form-field input[type="number"],
.form-field input[type="date"],
.form-field input[type="color"],
.form-field input[type="file"],
.form-field select,
.form-field textarea {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  font-size: 0.92rem;
  font-family: inherit;
  background: white;
  color: var(--text);
  transition: border-color 0.15s, box-shadow 0.15s;
}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(10, 31, 61, 0.1);
}
.form-field textarea { resize: vertical; min-height: 80px; }
.form-field input[type="color"] { height: 42px; padding: 4px; cursor: pointer; }
.form-field .hint {
  font-size: 0.75rem;
  color: var(--text-soft);
  margin-top: 4px;
}
.form-actions {
  display: flex;
  gap: 12px;
  justify-content: flex-end;
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--line-soft);
}

/* ===== LOGIN ===== */
.login-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary), #061530);
  padding: 20px;
}
.login-box {
  background: white;
  border-radius: 12px;
  padding: 40px;
  width: 100%;
  max-width: 400px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}
.login-box h1 {
  font-size: 1.6rem;
  color: var(--primary);
  margin-bottom: 6px;
}
.login-box .subtitle {
  color: var(--text-soft);
  font-size: 0.85rem;
  margin-bottom: 24px;
}

/* ===== DOCUMENT EDITOR ===== */
.doc-editor { display: grid; gap: 20px; }
.lines-table {
  width: 100%;
  border-collapse: collapse;
  background: white;
  border: 1px solid var(--line);
  border-radius: 6px;
  overflow: hidden;
}
.lines-table th {
  background: var(--bg);
  padding: 10px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-soft);
  text-align: left;
}
.lines-table th.num, .lines-table td.num { text-align: right; }
.lines-table td {
  padding: 8px;
  border-top: 1px solid var(--line-soft);
}
.lines-table input, .lines-table textarea {
  width: 100%;
  border: 1px solid transparent;
  padding: 6px 8px;
  font-size: 0.88rem;
  font-family: inherit;
  border-radius: 4px;
  background: transparent;
}
.lines-table input:focus, .lines-table textarea:focus {
  outline: none;
  border-color: var(--primary);
  background: white;
}
.lines-table .line-total {
  font-weight: 600;
  color: var(--primary);
  text-align: right;
  padding: 8px;
  font-variant-numeric: tabular-nums;
}
.btn-remove-line {
  background: none;
  border: none;
  color: var(--error);
  cursor: pointer;
  padding: 4px 8px;
  font-size: 1.1rem;
}
.totals-summary {
  display: flex;
  flex-direction: column;
  gap: 4px;
  align-items: flex-end;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}
.totals-row {
  display: flex;
  gap: 24px;
  font-size: 0.9rem;
}
.totals-row .label {
  color: var(--text-soft);
  min-width: 140px;
  text-align: right;
}
.totals-row .value {
  font-weight: 600;
  min-width: 140px;
  text-align: right;
  font-variant-numeric: tabular-nums;
}
.totals-row.grand {
  font-size: 1.1rem;
  margin-top: 8px;
  padding-top: 8px;
  border-top: 2px solid var(--primary);
}
.totals-row.grand .value { color: var(--primary); font-weight: 700; font-size: 1.3rem; }

/* ===== FILTERS BAR ===== */
.filters {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.filters input, .filters select {
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: white;
  font-size: 0.9rem;
  font-family: inherit;
}

/* ===== EMPTY STATE ===== */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-soft);
}
.empty-state h3 {
  font-size: 1.1rem;
  color: var(--text);
  margin-bottom: 8px;
}

/* ===== FOOTER ===== */
.appfooter {
  text-align: center;
  padding: 20px;
  color: var(--text-soft);
  font-size: 0.8rem;
  border-top: 1px solid var(--line);
  background: var(--paper);
  margin-top: 40px;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .topbar-inner { flex-wrap: wrap; height: auto; padding: 12px; gap: 12px; }
  .mainnav { width: 100%; overflow-x: auto; }
  .form-grid.cols-2, .form-grid.cols-3 { grid-template-columns: 1fr; }
}