/* ============================================================
   Devis+ — Design System Global
   Police : Inter + Plus Jakarta Sans (Google Fonts)
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Plus+Jakarta+Sans:wght@600;700;800&display=swap');

/* ---- Variables ---- */
:root {
  /* Couleurs principales */
  --primary: #2563EB;
  --primary-dark: #1D4ED8;
  --primary-darker: #1E40AF;
  --primary-light: #EFF6FF;
  --primary-mid: #DBEAFE;
  --primary-glow: rgba(37, 99, 235, 0.15);

  /* Statuts */
  --success: #16A34A;
  --success-light: #DCFCE7;
  --warning: #D97706;
  --warning-light: #FEF3C7;
  --danger: #DC2626;
  --danger-light: #FEE2E2;
  --info: #0891B2;
  --info-light: #E0F2FE;
  --purple: #7C3AED;
  --purple-light: #EDE9FE;

  /* Neutres */
  --gray-50:  #F8FAFC;
  --gray-100: #F1F5F9;
  --gray-200: #E2E8F0;
  --gray-300: #CBD5E1;
  --gray-400: #94A3B8;
  --gray-500: #64748B;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1E293B;
  --gray-900: #0F172A;

  /* Typographie */
  --font-sans: 'Inter', system-ui, sans-serif;
  --font-display: 'Plus Jakarta Sans', 'Inter', sans-serif;

  /* Espacements */
  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Ombres */
  --shadow-xs: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
  --shadow: 0 4px 16px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.12);
  --shadow-xl: 0 20px 60px rgba(0,0,0,0.15);
  --shadow-primary: 0 4px 20px rgba(37, 99, 235, 0.3);

  /* Transitions */
  --transition: 0.2s cubic-bezier(0.4,0,0.2,1);
  --transition-slow: 0.4s cubic-bezier(0.4,0,0.2,1);
}

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-sans);
  color: var(--gray-800);
  background: var(--gray-50);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img, video { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea, select { font-family: inherit; }
ul, ol { list-style: none; }

/* ---- Boutons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 600;
  transition: all var(--transition);
  white-space: nowrap;
  border: 2px solid transparent;
  line-height: 1;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  box-shadow: var(--shadow-primary);
}
.btn-primary:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 6px 24px rgba(37,99,235,0.35);
}
.btn-primary:active { transform: translateY(0); }

.btn-secondary {
  background: #fff;
  color: var(--primary);
  border-color: var(--primary);
}
.btn-secondary:hover {
  background: var(--primary-light);
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--gray-600);
  border-color: var(--gray-200);
}
.btn-ghost:hover { background: var(--gray-100); color: var(--gray-800); }

.btn-danger {
  background: var(--danger);
  color: #fff;
  border-color: var(--danger);
}
.btn-danger:hover { background: #B91C1C; transform: translateY(-1px); }

.btn-success {
  background: var(--success);
  color: #fff;
  border-color: var(--success);
}
.btn-success:hover { background: #15803D; transform: translateY(-1px); }

.btn-sm  { padding: 7px 14px; font-size: 13px; }
.btn-lg  { padding: 14px 28px; font-size: 16px; border-radius: var(--radius-lg); }
.btn-xl  { padding: 18px 36px; font-size: 17px; border-radius: var(--radius-lg); }
.btn-icon { width: 38px; height: 38px; padding: 0; border-radius: var(--radius); }
.btn-full { width: 100%; }

/* ---- Formulaires ---- */
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--gray-700);
}
.form-label .required { color: var(--danger); margin-left: 2px; }

.form-control {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius);
  font-size: 14px;
  color: var(--gray-800);
  background: #fff;
  transition: all var(--transition);
  outline: none;
}
.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
}
.form-control::placeholder { color: var(--gray-400); }
.form-control:disabled { background: var(--gray-100); cursor: not-allowed; opacity: 0.7; }

.form-control.error { border-color: var(--danger); }
.form-control.error:focus { box-shadow: 0 0 0 3px rgba(220,38,38,0.15); }

.form-error {
  font-size: 12px;
  color: var(--danger);
  display: flex;
  align-items: center;
  gap: 4px;
}
.form-hint { font-size: 12px; color: var(--gray-500); }

select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2364748B' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 18px;
  padding-right: 40px;
}

textarea.form-control { resize: vertical; min-height: 100px; }

/* ---- Cards ---- */
.card {
  background: #fff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}
.card-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.card-title { font-size: 16px; font-weight: 700; color: var(--gray-900); }
.card-body { padding: 24px; }
.card-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--gray-100);
  background: var(--gray-50);
}

/* ---- Badges de statut ---- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
}
.badge::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: currentColor; opacity: 0.6; }

.badge-nouveau       { background: var(--gray-100);    color: var(--gray-600); }
.badge-devis_envoye  { background: var(--info-light);  color: var(--info); }
.badge-relance_1     { background: var(--warning-light); color: var(--warning); }
.badge-relance_2     { background: #FEF0C7; color: #B45309; }
.badge-a_rappeler    { background: var(--purple-light); color: var(--purple); }
.badge-signe         { background: var(--success-light); color: var(--success); }
.badge-perdu         { background: var(--danger-light); color: var(--danger); }

/* ---- Stats Card ---- */
.stat-card {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--primary);
}
.stat-card:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.stat-card.success::before { background: var(--success); }
.stat-card.warning::before { background: var(--warning); }
.stat-card.danger::before  { background: var(--danger); }
.stat-card.purple::before  { background: var(--purple); }

.stat-card .stat-icon {
  width: 44px; height: 44px;
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 20px;
  margin-bottom: 4px;
}
.stat-card.success .stat-icon { background: var(--success-light); color: var(--success); }
.stat-card.warning .stat-icon { background: var(--warning-light); color: var(--warning); }
.stat-card.danger  .stat-icon { background: var(--danger-light);  color: var(--danger); }
.stat-card.purple  .stat-icon { background: var(--purple-light);  color: var(--purple); }

.stat-label { font-size: 13px; color: var(--gray-500); font-weight: 500; }
.stat-value { font-size: 28px; font-weight: 800; color: var(--gray-900); font-family: var(--font-display); line-height: 1; }
.stat-sub   { font-size: 12px; color: var(--gray-400); margin-top: 2px; }

/* ---- Tables ---- */
.table-wrapper { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
thead th {
  padding: 12px 16px;
  text-align: left;
  font-size: 12px;
  font-weight: 600;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  background: var(--gray-50);
  border-bottom: 1px solid var(--gray-200);
  white-space: nowrap;
}
tbody td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--gray-100);
  font-size: 14px;
  color: var(--gray-700);
  vertical-align: middle;
}
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover { background: var(--gray-50); }

/* ---- Alerts / Toast ---- */
.alert {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 18px;
  border-radius: var(--radius);
  font-size: 14px;
  line-height: 1.5;
  border: 1px solid transparent;
}
.alert-success { background: var(--success-light); color: #14532D; border-color: #BBF7D0; }
.alert-error   { background: var(--danger-light);  color: #7F1D1D; border-color: #FECACA; }
.alert-warning { background: var(--warning-light); color: #78350F; border-color: #FDE68A; }
.alert-info    { background: var(--info-light);    color: #164E63; border-color: #BAE6FD; }

/* Toast notifications */
#toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 380px;
}
.toast {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 18px;
  background: var(--gray-900);
  color: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  font-size: 14px;
  animation: slideInToast 0.3s ease forwards;
  min-width: 280px;
}
.toast.success { background: var(--success); }
.toast.error   { background: var(--danger); }
.toast.warning { background: var(--warning); }
@keyframes slideInToast {
  from { opacity: 0; transform: translateX(100%); }
  to   { opacity: 1; transform: translateX(0); }
}

/* ---- Modals ---- */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(15, 23, 42, 0.5);
  backdrop-filter: blur(4px);
  display: flex; align-items: center; justify-content: center;
  z-index: 1000;
  padding: 20px;
  opacity: 0; pointer-events: none;
  transition: opacity var(--transition);
}
.modal-overlay.active { opacity: 1; pointer-events: all; }

.modal {
  background: #fff;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  width: 100%; max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  transform: scale(0.95);
  transition: transform var(--transition);
}
.modal-overlay.active .modal { transform: scale(1); }

.modal-header {
  padding: 24px 28px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.modal-title { font-size: 18px; font-weight: 700; color: var(--gray-900); }
.modal-close {
  width: 32px; height: 32px;
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  color: var(--gray-500);
  transition: all var(--transition);
  font-size: 20px;
  cursor: pointer;
}
.modal-close:hover { background: var(--gray-100); color: var(--gray-800); }
.modal-body { padding: 24px 28px; }
.modal-footer {
  padding: 0 28px 24px;
  display: flex;
  gap: 10px;
  justify-content: flex-end;
}

/* ---- Loading ---- */
.spinner {
  width: 20px; height: 20px;
  border: 2.5px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: inline-block;
}
.spinner.dark {
  border: 2.5px solid var(--gray-200);
  border-top-color: var(--primary);
}
@keyframes spin { to { transform: rotate(360deg); } }

.skeleton {
  background: linear-gradient(90deg, var(--gray-100) 25%, var(--gray-200) 50%, var(--gray-100) 75%);
  background-size: 200% 100%;
  animation: skeleton 1.5s infinite;
  border-radius: var(--radius);
}
@keyframes skeleton {
  from { background-position: 200% 0; }
  to   { background-position: -200% 0; }
}

/* ---- Utilitaires ---- */
.text-primary { color: var(--primary); }
.text-success { color: var(--success); }
.text-danger  { color: var(--danger); }
.text-warning { color: var(--warning); }
.text-muted   { color: var(--gray-500); }
.text-sm      { font-size: 13px; }
.text-xs      { font-size: 12px; }
.font-bold    { font-weight: 700; }
.font-semibold { font-weight: 600; }

.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.gap-4 { gap: 16px; }
.flex-1 { flex: 1; }

.mt-1 { margin-top: 4px; }
.mt-2 { margin-top: 8px; }
.mt-3 { margin-top: 12px; }
.mt-4 { margin-top: 16px; }
.mb-2 { margin-bottom: 8px; }
.mb-4 { margin-bottom: 16px; }

.hidden  { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; clip: rect(0,0,0,0); overflow: hidden; }

/* ---- Responsive ---- */
@media (max-width: 768px) {
  .hide-mobile { display: none !important; }
  .stat-value  { font-size: 22px; }
}
@media (max-width: 480px) {
  .btn-xl { padding: 14px 24px; font-size: 15px; }
}