/* ═══════════════════════════════════════════════════════════════
   MONCACHET - DESIGN SYSTEM v2.0
   Palette: Teal/Bleu du logo + Glassmorphism
   ═══════════════════════════════════════════════════════════════ */

/* ── Variables CSS ───────────────────────────────────────────── */
:root {
  /* Couleurs principales du logo */
  --teal-primary: #14b8a6;
  --teal-dark: #0d9488;
  --teal-light: #5eead4;
  --teal-50: #f0fdfa;
  --teal-100: #ccfbf1;
  --teal-200: #99f6e4;
  --teal-300: #5eead4;
  --teal-400: #2dd4bf;
  --teal-500: #14b8a6;
  --teal-600: #0d9488;
  --teal-700: #0f766e;
  --teal-800: #115e59;
  --teal-900: #134e4a;

  /* Bleu gradient */
  --blue-accent: #3b82f6;
  --blue-light: #60a5fa;
  --blue-soft: #dbeafe;

  /* 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;

  /* Glassmorphism */
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-bg-strong: rgba(255, 255, 255, 0.85);
  --glass-border: rgba(255, 255, 255, 0.5);
  --glass-shadow: 0 8px 32px rgba(20, 184, 166, 0.1);
  --glass-shadow-lg: 0 16px 48px rgba(20, 184, 166, 0.15);

  /* Typography */
  --font-display: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Spacing */
  --sidebar-width: 280px;
  --header-height: 72px;
}

/* ── Reset & Base ────────────────────────────────────────────── */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background: linear-gradient(135deg, var(--teal-50) 0%, #f0f9ff 50%, var(--gray-50) 100%);
  background-attachment: fixed;
  color: var(--gray-800);
  min-height: 100vh;
  line-height: 1.6;
}

/* ── Glassmorphism Components ────────────────────────────────── */
.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
}

.glass-strong {
  background: var(--glass-bg-strong);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
}

.card-glass {
  background: linear-gradient(145deg, rgba(255,255,255,0.9) 0%, rgba(255,255,255,0.7) 100%);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: 20px;
  border: 1px solid rgba(255,255,255,0.6);
  box-shadow: 
    0 4px 6px -1px rgba(20, 184, 166, 0.1),
    0 2px 4px -2px rgba(20, 184, 166, 0.05),
    inset 0 1px 0 rgba(255,255,255,0.8);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.card-glass:hover {
  transform: translateY(-2px);
  box-shadow: 
    0 20px 25px -5px rgba(20, 184, 166, 0.15),
    0 8px 10px -6px rgba(20, 184, 166, 0.1),
    inset 0 1px 0 rgba(255,255,255,0.9);
}

/* ── Sidebar ─────────────────────────────────────────────────── */
.sidebar {
  position: fixed;
  left: 0;
  top: 0;
  width: var(--sidebar-width);
  height: 100vh;
  background: linear-gradient(180deg, 
    rgba(255,255,255,0.95) 0%, 
    rgba(240,253,250,0.9) 100%);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-right: 1px solid rgba(20, 184, 166, 0.15);
  z-index: 50;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  overflow-x: hidden;
}

.sidebar::-webkit-scrollbar {
  width: 4px;
}

.sidebar::-webkit-scrollbar-thumb {
  background: var(--teal-200);
  border-radius: 2px;
}

/* Logo Section */
.sidebar-logo {
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid rgba(20, 184, 166, 0.1);
}

.logo-image {
  width: 96px;
  height: 96px;
  border-radius: 24px;
  object-fit: cover;
  box-shadow: 
    0 8px 24px rgba(20, 184, 166, 0.25),
    0 4px 12px rgba(20, 184, 166, 0.15),
    inset 0 2px 4px rgba(255,255,255,0.8);
  border: 3px solid rgba(255,255,255,0.8);
  transition: all 0.3s ease;
}

.logo-image:hover {
  transform: scale(1.05) rotate(2deg);
  box-shadow: 
    0 12px 32px rgba(20, 184, 166, 0.35),
    0 6px 16px rgba(20, 184, 166, 0.2);
}

.brand-title {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  color: var(--teal-800);
  letter-spacing: -0.02em;
  text-align: center;
}

.brand-title span {
  color: var(--teal-500);
}

.brand-subtitle {
  font-size: 11px;
  font-weight: 600;
  color: var(--teal-600);
  text-transform: uppercase;
  letter-spacing: 0.2em;
}

/* Navigation */
.nav-section {
  padding: 24px 16px;
}

.nav-section-title {
  font-size: 10px;
  font-weight: 700;
  color: var(--teal-500);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 12px;
  padding-left: 12px;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: 12px;
  color: var(--gray-600);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.2s ease;
  margin-bottom: 4px;
}

.nav-link:hover {
  background: rgba(20, 184, 166, 0.08);
  color: var(--teal-700);
}

.nav-link.active {
  background: linear-gradient(135deg, var(--teal-500) 0%, var(--teal-600) 100%);
  color: white;
  box-shadow: 
    0 4px 12px rgba(20, 184, 166, 0.3),
    0 2px 4px rgba(20, 184, 166, 0.2);
}

.nav-link .icon {
  width: 20px;
  height: 20px;
  stroke-width: 2;
}

/* User Profile */
.sidebar-footer {
  margin-top: auto;
  padding: 16px;
  border-top: 1px solid rgba(20, 184, 166, 0.1);
}

.user-profile {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  background: rgba(20, 184, 166, 0.05);
  border-radius: 14px;
  border: 1px solid rgba(20, 184, 166, 0.1);
}

.user-avatar {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--teal-400) 0%, var(--teal-600) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 600;
  font-size: 14px;
  box-shadow: 0 4px 8px rgba(20, 184, 166, 0.25);
}

.user-info {
  flex: 1;
  min-width: 0;
}

.user-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--gray-800);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.user-role {
  font-size: 11px;
  color: var(--teal-600);
  font-weight: 500;
}

/* ── Main Content ────────────────────────────────────────────── */
.main-content {
  margin-left: var(--sidebar-width);
  min-height: 100vh;
  padding: 32px;
}

/* Top Header */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
}

.page-title {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 700;
  color: var(--gray-800);
  letter-spacing: -0.02em;
}

.page-subtitle {
  font-size: 14px;
  color: var(--gray-500);
  margin-top: 4px;
}

/* ── KPI Cards ───────────────────────────────────────────────── */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin-bottom: 32px;
}

.kpi-card {
  padding: 24px;
  border-radius: 20px;
  position: relative;
  overflow: hidden;
}

.kpi-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--teal-400) 0%, var(--teal-500) 100%);
}

.kpi-card.teal::before {
  background: linear-gradient(90deg, var(--teal-400) 0%, var(--teal-600) 100%);
}

.kpi-card.blue::before {
  background: linear-gradient(90deg, var(--blue-light) 0%, var(--blue-accent) 100%);
}

.kpi-card.purple::before {
  background: linear-gradient(90deg, #a78bfa 0%, #8b5cf6 100%);
}

.kpi-card.orange::before {
  background: linear-gradient(90deg, #fb923c 0%, #f97316 100%);
}

.kpi-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  background: linear-gradient(135deg, var(--teal-100) 0%, var(--teal-50) 100%);
  color: var(--teal-600);
}

.kpi-value {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 700;
  color: var(--gray-800);
  line-height: 1;
}

.kpi-value .unit {
  font-size: 20px;
  color: var(--gray-400);
  margin-left: 4px;
}

.kpi-label {
  font-size: 13px;
  color: var(--gray-500);
  margin-top: 8px;
  font-weight: 500;
}

.kpi-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 8px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 600;
  margin-top: 12px;
}

.kpi-badge.up {
  background: rgba(20, 184, 166, 0.1);
  color: var(--teal-600);
}

.kpi-badge.down {
  background: rgba(239, 68, 68, 0.1);
  color: #ef4444;
}

/* ── Buttons ─────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: 12px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  border: none;
  outline: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--teal-500) 0%, var(--teal-600) 100%);
  color: white;
  box-shadow: 
    0 4px 12px rgba(20, 184, 166, 0.3),
    0 2px 4px rgba(20, 184, 166, 0.2);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 
    0 8px 20px rgba(20, 184, 166, 0.4),
    0 4px 8px rgba(20, 184, 166, 0.3);
}

.btn-secondary {
  background: white;
  color: var(--gray-700);
  border: 1px solid var(--gray-200);
  box-shadow: 0 1px 2px rgba(0,0,0,0.05);
}

.btn-secondary:hover {
  background: var(--gray-50);
  border-color: var(--gray-300);
}

/* ── Form Elements ───────────────────────────────────────────── */
.input {
  width: 100%;
  padding: 12px 16px;
  border-radius: 12px;
  border: 1px solid var(--gray-200);
  background: white;
  font-size: 14px;
  transition: all 0.2s ease;
  outline: none;
}

.input:focus {
  border-color: var(--teal-400);
  box-shadow: 0 0 0 3px rgba(20, 184, 166, 0.1);
}

.input::placeholder {
  color: var(--gray-400);
}

/* ── Tables ──────────────────────────────────────────────────── */
.table-container {
  background: var(--glass-bg-strong);
  backdrop-filter: blur(12px);
  border-radius: 16px;
  border: 1px solid var(--glass-border);
  overflow: hidden;
}

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

.table th {
  padding: 14px 20px;
  text-align: left;
  font-size: 11px;
  font-weight: 600;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: rgba(20, 184, 166, 0.03);
  border-bottom: 1px solid var(--gray-100);
}

.table td {
  padding: 16px 20px;
  border-bottom: 1px solid var(--gray-100);
  font-size: 14px;
  color: var(--gray-700);
}

.table tr:hover td {
  background: rgba(20, 184, 166, 0.03);
}

/* ── Badges ──────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 9999px;
  font-size: 12px;
  font-weight: 600;
}

.badge-teal {
  background: var(--teal-100);
  color: var(--teal-700);
}

.badge-blue {
  background: var(--blue-soft);
  color: var(--blue-accent);
}

.badge-gray {
  background: var(--gray-100);
  color: var(--gray-600);
}

/* ── Animations ──────────────────────────────────────────────── */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-fade-in {
  animation: fadeInUp 0.5s ease-out;
}

/* ── Responsive ──────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .sidebar {
    transform: translateX(-100%);
    transition: transform 0.3s ease;
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .main-content {
    margin-left: 0;
    padding: 20px;
  }

  .kpi-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .kpi-grid {
    grid-template-columns: 1fr;
  }

  .page-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }

  .page-title {
    font-size: 24px;
  }
}