/* ==================== RESET & BASE ==================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --primary: #D4451A;
  --primary-dark: #B33A15;
  --primary-light: #F0E6E2;
  --accent: #F5A623;
  --success: #2ECC71;
  --danger: #E74C3C;
  --warning: #F39C12;
  --info: #3498DB;
  --dark: #2C3E50;
  --gray: #7F8C8D;
  --light-gray: #ECF0F1;
  --white: #FFFFFF;
  --bg: #F8F9FA;
  --shadow: 0 2px 12px rgba(0,0,0,0.08);
  --radius: 12px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--dark);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* ==================== HEADER ==================== */
.header {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  padding: 16px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

.header h1 {
  font-size: 18px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
}

.header h1 .fire { font-size: 22px; }

.header-actions { display: flex; gap: 8px; align-items: center; }

.user-badge {
  background: rgba(255,255,255,0.2);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 13px;
}

.btn-logout {
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.3);
  color: white;
  padding: 6px 14px;
  border-radius: 20px;
  cursor: pointer;
  font-size: 13px;
  transition: background 0.2s;
}

.btn-logout:hover { background: rgba(255,255,255,0.3); }

/* ==================== LOGIN ==================== */
.login-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  padding: 20px;
}

.login-card {
  background: white;
  border-radius: 20px;
  padding: 40px 32px;
  width: 100%;
  max-width: 400px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.2);
}

.login-logo {
  text-align: center;
  margin-bottom: 32px;
}

.login-logo .fire { font-size: 48px; display: block; margin-bottom: 12px; }
.login-logo h2 { color: var(--primary); font-size: 22px; font-weight: 700; }
.login-logo p { color: var(--gray); font-size: 14px; margin-top: 4px; }

.form-group { margin-bottom: 20px; }

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 6px;
}

.form-group input, .form-group select, .form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--light-gray);
  border-radius: 10px;
  font-size: 15px;
  transition: border-color 0.2s;
  outline: none;
}

.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color: var(--primary);
}

.login-error {
  background: #FDE8E8;
  color: var(--danger);
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 13px;
  margin-bottom: 16px;
  display: none;
}

/* ==================== BUTTONS ==================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 10px;
  border: none;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  width: 100%;
}

.btn-primary { background: var(--primary); color: white; }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-1px); }
.btn-success { background: var(--success); color: white; }
.btn-success:hover { background: #27AE60; }
.btn-danger { background: var(--danger); color: white; }
.btn-danger:hover { background: #C0392B; }
.btn-warning { background: var(--warning); color: white; }
.btn-info { background: var(--info); color: white; }
.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}
.btn-outline:hover { background: var(--primary-light); }
.btn-sm { padding: 8px 16px; font-size: 13px; width: auto; }

/* ==================== NAV TABS ==================== */
.nav-tabs {
  display: flex;
  background: white;
  border-bottom: 1px solid var(--light-gray);
  overflow-x: auto;
}

.nav-tab {
  flex: 1;
  padding: 14px 16px;
  text-align: center;
  font-size: 13px;
  font-weight: 600;
  color: var(--gray);
  border: none;
  background: none;
  cursor: pointer;
  border-bottom: 3px solid transparent;
  transition: all 0.2s;
  white-space: nowrap;
}

.nav-tab.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

.nav-tab:hover { color: var(--primary); background: var(--primary-light); }

/* ==================== PAGES ==================== */
.page { display: none; padding: 20px; max-width: 800px; margin: 0 auto; }
.page.active { display: block; }

/* ==================== CARDS ==================== */
.card {
  background: white;
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 16px;
  box-shadow: var(--shadow);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.card-title { font-size: 16px; font-weight: 700; }

/* ==================== STATUS BADGES ==================== */
.badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-pending { background: #FFF3CD; color: #856404; }
.badge-validated { background: #D4EDDA; color: #155724; }
.badge-refused { background: #F8D7DA; color: #721C24; }
.badge-reimbursed { background: #D1ECF1; color: #0C5460; }

/* ==================== CAMERA / PHOTO ==================== */
.camera-zone {
  border: 3px dashed var(--light-gray);
  border-radius: var(--radius);
  padding: 40px 20px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
  background: var(--bg);
}

.camera-zone:hover { border-color: var(--primary); background: var(--primary-light); }

.camera-zone .icon { font-size: 48px; display: block; margin-bottom: 12px; }
.camera-zone p { color: var(--gray); font-size: 14px; }

.photo-preview {
  width: 100%;
  max-height: 300px;
  object-fit: contain;
  border-radius: var(--radius);
  margin: 12px 0;
}

/* ==================== OCR RESULT ==================== */
.ocr-loading {
  text-align: center;
  padding: 30px;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid var(--light-gray);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto 12px;
}

@keyframes spin { to { transform: rotate(360deg); } }

.ocr-progress { font-size: 13px; color: var(--gray); margin-top: 8px; }

/* ==================== TVA ROWS ==================== */
.tva-headers {
  display: flex;
  gap: 10px;
  margin-bottom: 4px;
  padding-right: 42px; /* aligner avec les lignes (bouton supprimer) */
}
.tva-headers span {
  flex: 1;
  font-size: 12px;
  font-weight: 600;
  color: var(--gray);
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.tva-row {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-bottom: 8px;
}

.tva-row input { flex: 1; }

.tva-row .btn-remove-tva {
  background: var(--danger);
  color: white;
  border: none;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 18px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn-add-tva {
  background: none;
  border: 1px dashed var(--gray);
  color: var(--gray);
  padding: 8px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 13px;
  width: 100%;
  margin-top: 4px;
}

.btn-add-tva:hover { border-color: var(--primary); color: var(--primary); }

/* ==================== RECEIPT LIST ==================== */
.receipt-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  background: var(--bg);
  border-radius: 10px;
  margin-bottom: 8px;
}

.receipt-item img {
  width: 50px;
  height: 50px;
  border-radius: 8px;
  object-fit: cover;
}

.receipt-item .info { flex: 1; }
.receipt-item .info .name { font-weight: 600; font-size: 14px; }
.receipt-item .info .amount { font-size: 13px; color: var(--gray); }
.receipt-item .info .payment-type { font-size: 11px; margin-top: 2px; }

.payment-company { color: var(--info); font-weight: 600; }
.payment-personal { color: var(--warning); font-weight: 600; }

.receipt-item .btn-remove {
  background: var(--danger);
  color: white;
  border: none;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 14px;
}

/* ==================== TOTALS ==================== */
.totals-card {
  background: linear-gradient(135deg, var(--dark), #34495E);
  color: white;
  border-radius: var(--radius);
  padding: 20px;
  margin: 16px 0;
}

.total-row {
  display: flex;
  justify-content: space-between;
  padding: 6px 0;
  font-size: 14px;
}

.total-row.main { font-size: 18px; font-weight: 700; border-top: 1px solid rgba(255,255,255,0.2); padding-top: 12px; margin-top: 8px; }

.total-row .label { opacity: 0.8; }

/* ==================== EXPENSE REPORT LIST ==================== */
.report-item {
  cursor: pointer;
  transition: transform 0.15s;
}

.report-item:hover { transform: translateX(4px); }

.report-meta { display: flex; gap: 12px; margin-top: 8px; flex-wrap: wrap; }

.report-meta span {
  font-size: 12px;
  color: var(--gray);
  display: flex;
  align-items: center;
  gap: 4px;
}

/* ==================== DETAIL VIEW ==================== */
.detail-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}

.btn-back {
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--dark);
}

/* ==================== ADMIN ==================== */
.admin-filters {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 8px 16px;
  border-radius: 20px;
  border: 2px solid var(--light-gray);
  background: white;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s;
}

.filter-btn.active { border-color: var(--primary); background: var(--primary-light); color: var(--primary); }

.admin-action-btns { display: flex; gap: 8px; margin-top: 12px; flex-wrap: wrap; }

/* ==================== MODAL ==================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 200;
  padding: 20px;
}

.modal-overlay.active { display: flex; }

.modal {
  background: white;
  border-radius: 16px;
  padding: 24px;
  width: 100%;
  max-width: 500px;
  max-height: 90vh;
  overflow-y: auto;
}

.modal-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; }
.modal-title { font-size: 18px; font-weight: 700; }
.modal-close { background: none; border: none; font-size: 24px; cursor: pointer; color: var(--gray); }

/* ==================== EMPTY STATE ==================== */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--gray);
}

.empty-state .icon { font-size: 64px; display: block; margin-bottom: 16px; }
.empty-state h3 { font-size: 18px; margin-bottom: 8px; color: var(--dark); }
.empty-state p { font-size: 14px; }

/* ==================== RESPONSIVE ==================== */
@media (max-width: 480px) {
  .header h1 { font-size: 15px; }
  .page { padding: 16px; }
  .admin-action-btns { flex-direction: column; }
}

/* ==================== RECEIPT PHOTO MODAL ==================== */
.photo-modal img {
  width: 100%;
  border-radius: 12px;
}

/* ==================== PAYMENT TOGGLE ==================== */
.payment-toggle {
  display: flex;
  border-radius: 10px;
  overflow: hidden;
  border: 2px solid var(--light-gray);
  margin-top: 4px;
}

.payment-toggle label {
  flex: 1;
  text-align: center;
  padding: 10px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  background: white;
}

.payment-toggle input { display: none; }
.payment-toggle input:checked + span { display: block; }

.payment-toggle label.active-company { background: var(--info); color: white; }
.payment-toggle label.active-personal { background: var(--warning); color: white; }