/* ============================================
   OZY CRM — Admin Dashboard Styles
   ============================================ */

:root {
  --primary: #0F172A;
  --primary-light: #1E293B;
  --accent: #F97316;
  --accent-hover: #EA580C;
  --blue: #3B82F6;
  --green: #22C55E;
  --purple: #8B5CF6;
  --red: #EF4444;
  --gray-50: #F8FAFC;
  --gray-100: #F1F5F9;
  --gray-200: #E2E8F0;
  --gray-300: #CBD5E1;
  --gray-400: #94A3B8;
  --gray-500: #64748B;
  --gray-600: #475569;
  --gray-700: #334155;
  --white: #FFFFFF;
  --font-body: 'Inter', -apple-system, sans-serif;
  --font-heading: 'Space Grotesk', sans-serif;
  --radius: 12px;
  --shadow: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --transition: all 0.2s ease;
}

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

body {
  font-family: var(--font-body);
  background: var(--gray-50);
  color: var(--primary);
  min-height: 100vh;
}

/* === LOGIN === */
.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: var(--primary);
}

.login-card {
  background: var(--white);
  border-radius: 16px;
  padding: 48px 40px;
  width: 100%;
  max-width: 400px;
  box-shadow: 0 25px 50px rgba(0,0,0,0.25);
}

.login-logo {
  text-align: center;
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 8px;
}

.login-logo span { color: var(--accent); }

.login-subtitle {
  text-align: center;
  color: var(--gray-500);
  font-size: 0.9rem;
  margin-bottom: 32px;
}

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

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--gray-600);
  margin-bottom: 6px;
}

.form-group input {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--gray-200);
  border-radius: 8px;
  font-size: 0.95rem;
  font-family: var(--font-body);
  transition: var(--transition);
  outline: none;
}

.form-group input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(249,115,22,0.1);
}

.btn-login {
  width: 100%;
  padding: 14px;
  background: var(--accent);
  color: var(--white);
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  font-family: var(--font-body);
  cursor: pointer;
  transition: var(--transition);
}

.btn-login:hover { background: var(--accent-hover); }
.btn-login:disabled { opacity: 0.6; cursor: not-allowed; }

.login-error {
  color: var(--red);
  font-size: 0.85rem;
  text-align: center;
  margin-top: 12px;
  min-height: 20px;
}

/* === LAYOUT === */
.app { display: flex; min-height: 100vh; }

.sidebar {
  width: 240px;
  background: var(--primary);
  color: var(--white);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 100;
}

.sidebar-logo {
  padding: 24px;
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.sidebar-logo span { color: var(--accent); }
.sidebar-logo small { display: block; font-size: 0.65rem; color: var(--gray-400); font-weight: 400; margin-top: 2px; letter-spacing: 2px; text-transform: uppercase; }

.sidebar-nav { flex: 1; padding: 16px 12px; }

.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  color: var(--gray-400);
  text-decoration: none;
  border-radius: 8px;
  font-size: 0.9rem;
  transition: var(--transition);
  margin-bottom: 4px;
}

.sidebar-nav a:hover { color: var(--white); background: rgba(255,255,255,0.06); }
.sidebar-nav a.active { color: var(--white); background: rgba(249,115,22,0.15); }
.sidebar-nav a.active svg { color: var(--accent); }

.sidebar-nav svg { width: 20px; height: 20px; flex-shrink: 0; }

.sidebar-footer {
  padding: 16px 24px;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.sidebar-user {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--gray-400);
  font-size: 0.85rem;
}

.sidebar-user-avatar {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: rgba(249,115,22,0.2);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.8rem;
}

.btn-logout {
  background: none;
  border: none;
  color: var(--gray-500);
  font-size: 0.8rem;
  cursor: pointer;
  margin-top: 8px;
  padding: 4px 0;
  transition: var(--transition);
}

.btn-logout:hover { color: var(--red); }

.main-content {
  flex: 1;
  margin-left: 240px;
  padding: 32px;
}

/* === HEADER === */
.page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 28px;
}

.page-header h1 {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 700;
}

.page-header h1 span { color: var(--accent); }

.header-date {
  color: var(--gray-400);
  font-size: 0.85rem;
}

/* === STATS CARDS === */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 28px;
}

.stat-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 20px 24px;
  box-shadow: var(--shadow);
  border: 1px solid var(--gray-100);
}

.stat-card__label {
  font-size: 0.8rem;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}

.stat-card__value {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--primary);
  line-height: 1;
}

.stat-card__sub {
  font-size: 0.78rem;
  color: var(--gray-400);
  margin-top: 6px;
}

.stat-card__sub.up { color: var(--green); }
.stat-card__sub.down { color: var(--red); }

.stat-card--accent .stat-card__value { color: var(--accent); }
.stat-card--green .stat-card__value { color: var(--green); }
.stat-card--blue .stat-card__value { color: var(--blue); }

/* === TABLE === */
.table-card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--gray-100);
  overflow: hidden;
}

.table-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  border-bottom: 1px solid var(--gray-100);
}

.table-header h2 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
}

.table-filters {
  display: flex;
  gap: 8px;
  align-items: center;
}

.filter-btn {
  padding: 6px 14px;
  border: 1px solid var(--gray-200);
  background: var(--white);
  border-radius: 6px;
  font-size: 0.82rem;
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font-body);
  color: var(--gray-600);
}

.filter-btn:hover { border-color: var(--accent); color: var(--accent); }
.filter-btn.active { background: var(--accent); color: var(--white); border-color: var(--accent); }

.search-input {
  padding: 8px 14px;
  border: 1px solid var(--gray-200);
  border-radius: 6px;
  font-size: 0.85rem;
  outline: none;
  width: 200px;
  font-family: var(--font-body);
  transition: var(--transition);
}

.search-input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(249,115,22,0.1); }

table {
  width: 100%;
  border-collapse: collapse;
}

thead th {
  text-align: left;
  padding: 12px 24px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--gray-100);
  background: var(--gray-50);
}

tbody td {
  padding: 14px 24px;
  font-size: 0.88rem;
  border-bottom: 1px solid var(--gray-100);
  color: var(--gray-700);
}

tbody tr { cursor: pointer; transition: var(--transition); }
tbody tr:hover { background: var(--gray-50); }
tbody tr:last-child td { border-bottom: none; }

.lead-name { font-weight: 600; color: var(--primary); }
.lead-email { color: var(--gray-500); font-size: 0.82rem; }
.lead-date { color: var(--gray-400); font-size: 0.82rem; }

/* Status badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: capitalize;
}

.badge-nouveau { background: rgba(249,115,22,0.1); color: var(--accent); }
.badge-contacte { background: rgba(59,130,246,0.1); color: var(--blue); }
.badge-devis { background: rgba(139,92,246,0.1); color: var(--purple); }
.badge-signe { background: rgba(34,197,94,0.1); color: var(--green); }
.badge-perdu { background: rgba(239,68,68,0.1); color: var(--red); }

/* === MODAL === */
.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;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.modal-overlay.active { opacity: 1; visibility: visible; }

.modal {
  background: var(--white);
  border-radius: 16px;
  width: 100%;
  max-width: 560px;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: 0 25px 50px rgba(0,0,0,0.15);
  transform: translateY(20px);
  transition: var(--transition);
}

.modal-overlay.active .modal { transform: translateY(0); }

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px;
  border-bottom: 1px solid var(--gray-100);
}

.modal-header h2 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 600;
}

.modal-close {
  width: 32px;
  height: 32px;
  border: none;
  background: var(--gray-100);
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: var(--gray-500);
  transition: var(--transition);
}

.modal-close:hover { background: var(--red); color: var(--white); }

.modal-body { padding: 24px; }

.modal-field {
  margin-bottom: 16px;
}

.modal-field label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 6px;
}

.modal-field p {
  color: var(--primary);
  font-size: 0.92rem;
  line-height: 1.6;
}

.modal-field textarea,
.modal-field select,
.modal-field input {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--gray-200);
  border-radius: 8px;
  font-size: 0.9rem;
  font-family: var(--font-body);
  outline: none;
  transition: var(--transition);
}

.modal-field textarea { min-height: 100px; resize: vertical; }
.modal-field textarea:focus,
.modal-field select:focus,
.modal-field input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(249,115,22,0.1); }

.modal-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  padding: 16px 24px;
  border-top: 1px solid var(--gray-100);
}

.btn {
  padding: 10px 20px;
  border-radius: 8px;
  font-size: 0.88rem;
  font-weight: 600;
  font-family: var(--font-body);
  cursor: pointer;
  transition: var(--transition);
  border: none;
}

.btn-primary { background: var(--accent); color: var(--white); }
.btn-primary:hover { background: var(--accent-hover); }
.btn-secondary { background: var(--gray-100); color: var(--gray-600); }
.btn-secondary:hover { background: var(--gray-200); }
.btn-danger { background: var(--red); color: var(--white); }
.btn-danger:hover { background: #DC2626; }

/* History */
.lead-history { margin-top: 16px; }
.lead-history h3 { font-size: 0.85rem; color: var(--gray-500); margin-bottom: 10px; }

.history-item {
  display: flex;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px solid var(--gray-100);
  font-size: 0.82rem;
}

.history-item:last-child { border-bottom: none; }
.history-date { color: var(--gray-400); white-space: nowrap; }
.history-action { color: var(--gray-600); }

/* Pagination */
.table-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 24px;
  border-top: 1px solid var(--gray-100);
  font-size: 0.82rem;
  color: var(--gray-500);
}

.pagination { display: flex; gap: 4px; }

.page-btn {
  padding: 6px 12px;
  border: 1px solid var(--gray-200);
  background: var(--white);
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.82rem;
  transition: var(--transition);
}

.page-btn:hover { border-color: var(--accent); }
.page-btn.active { background: var(--accent); color: var(--white); border-color: var(--accent); }
.page-btn:disabled { opacity: 0.4; cursor: not-allowed; }

/* === EMPTY STATE === */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--gray-400);
}

.empty-state svg { width: 48px; height: 48px; margin-bottom: 16px; opacity: 0.4; }
.empty-state p { font-size: 0.9rem; }

/* === RESPONSIVE === */
@media (max-width: 1024px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .sidebar { width: 64px; }
  .sidebar-logo small, .sidebar-nav a span, .sidebar-user span, .sidebar-footer { display: none; }
  .sidebar-logo { font-size: 1.2rem; padding: 16px; text-align: center; }
  .sidebar-nav a { justify-content: center; padding: 12px; }
  .main-content { margin-left: 64px; padding: 16px; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .table-filters { flex-wrap: wrap; }
  .page-header { flex-direction: column; align-items: flex-start; gap: 8px; }
}

@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr; }
  .main-content { margin-left: 0; padding: 12px; }
  .sidebar { display: none; }
}