:root {
  --bg: #f8fafc;
  --surface: #ffffff;
  --surface-alt: #f1f5f9;
  --dark: #0f172a;
  --dark-card: #1e293b;
  --text: #0f172a;
  --text-muted: #64748b;
  --primary: #059669;
  --primary-hover: #047857;
  --primary-light: #d1fae5;
  --accent: #f59e0b;
  --accent-light: #fef3c7;
  --danger: #ef4444;
  --danger-light: #fee2e2;
  --info: #2563eb;
  --info-light: #dbeafe;
  --border: #e2e8f0;
  --radius: 14px;
  --shadow: 0 4px 20px -2px rgba(15, 23, 42, 0.08);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Inter, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  padding-bottom: 80px;
}

/* Header & Navigation */
.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--dark);
  color: #fff;
  padding: 0.85rem 1.25rem;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.18);
}

.topbar-inner {
  max-width: 1320px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-logo {
  width: 42px;
  height: 42px;
  border-radius: 11px;
  background: linear-gradient(135deg, #10b981, #059669);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  font-weight: 800;
  box-shadow: 0 2px 10px rgba(16, 185, 129, 0.4);
}

.brand-title {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.brand-badge {
  font-size: 0.7rem;
  background: var(--accent);
  color: #0f172a;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  font-weight: 700;
  text-transform: uppercase;
}

.brand-sub {
  font-size: 0.78rem;
  color: #94a3b8;
}

.nav-tabs {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  flex-wrap: wrap;
}

.nav-btn {
  background: rgba(255, 255, 255, 0.08);
  color: #cbd5e1;
  border: 1px solid rgba(255, 255, 255, 0.12);
  padding: 0.5rem 0.9rem;
  border-radius: 10px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.18s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.nav-btn:hover {
  background: rgba(255, 255, 255, 0.16);
  color: #fff;
}

.nav-btn.active {
  background: var(--primary);
  color: #fff;
  border-color: #10b981;
}

.nav-btn.admin-tab.active {
  background: var(--accent);
  color: #0f172a;
  border-color: #fbbf24;
}

.lang-switch {
  display: flex;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.lang-btn {
  background: transparent;
  color: #cbd5e1;
  border: none;
  padding: 0.35rem 0.65rem;
  font-size: 0.78rem;
  font-weight: 700;
  cursor: pointer;
}

.lang-btn.active {
  background: #fff;
  color: var(--dark);
}

/* Container */
.container {
  max-width: 1320px;
  margin: 0 auto;
  padding: 1.25rem;
}

.view-section {
  display: none;
}

.view-section.active {
  display: block;
}

/* Hero Search Section */
.hero-banner {
  background: linear-gradient(135deg, #0f172a 0%, #064e3b 100%);
  color: #fff;
  border-radius: 18px;
  padding: 1.75rem;
  margin-bottom: 1.25rem;
  box-shadow: var(--shadow);
}

.hero-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1.15rem;
}

.hero-title {
  font-size: 1.6rem;
  font-weight: 800;
  margin-bottom: 0.35rem;
}

.hero-subtitle {
  color: #a7f3d0;
  font-size: 0.95rem;
  max-width: 720px;
}

.search-bar-wrap {
  display: flex;
  gap: 0.6rem;
  background: #fff;
  padding: 0.45rem;
  border-radius: 14px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

.search-input {
  flex: 1;
  border: none;
  outline: none;
  padding: 0.65rem 0.9rem;
  font-size: 1rem;
  color: var(--text);
  background: transparent;
}

.voice-btn {
  background: var(--surface-alt);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0 0.9rem;
  cursor: pointer;
  font-size: 1.1rem;
  title: "Recherche vocale";
}

.search-submit-btn {
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: 10px;
  padding: 0.65rem 1.25rem;
  font-weight: 700;
  cursor: pointer;
}

.quick-tags {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  flex-wrap: wrap;
  margin-top: 0.85rem;
  font-size: 0.8rem;
}

.quick-tag {
  background: rgba(255, 255, 255, 0.12);
  color: #ecfdf5;
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  cursor: pointer;
  border: 1px solid rgba(255, 255, 255, 0.18);
  transition: background 0.15s;
}

.quick-tag:hover {
  background: rgba(255, 255, 255, 0.24);
}

/* Filter Strip */
.filters-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  margin-bottom: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.filter-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.filter-label {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-right: 0.35rem;
}

.pill-btn {
  background: var(--surface-alt);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 0.38rem 0.8rem;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
}

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

.pill-btn.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

/* Catalog Grid */
.catalog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(310px, 1fr));
  gap: 1.2rem;
}

.product-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.product-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 28px -4px rgba(15, 23, 42, 0.14);
}

.card-img-wrap {
  position: relative;
  height: 205px;
  background: #e2e8f0;
  overflow: hidden;
}

.card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.badge-top-left {
  position: absolute;
  top: 10px;
  left: 10px;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.badge-top-right {
  position: absolute;
  top: 10px;
  right: 10px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.25rem 0.6rem;
  border-radius: 8px;
  font-size: 0.73rem;
  font-weight: 700;
  backdrop-filter: blur(6px);
}

.badge-stock {
  background: rgba(5, 150, 105, 0.95);
  color: #fff;
}

.badge-partner {
  background: rgba(15, 23, 42, 0.88);
  color: #f8fafc;
}

.badge-pepite {
  background: linear-gradient(135deg, #f59e0b, #ea580c);
  color: #fff;
}

.badge-fresh {
  background: rgba(255, 255, 255, 0.92);
  color: #0f172a;
}

.card-body {
  padding: 1rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.card-quartier {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-title {
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.35;
}

.card-condition {
  font-size: 0.8rem;
  color: var(--text-muted);
  background: var(--surface-alt);
  padding: 0.3rem 0.55rem;
  border-radius: 7px;
}

.card-price-row {
  margin-top: auto;
  padding-top: 0.6rem;
  border-top: 1px dashed var(--border);
  display: flex;
  align-items: baseline;
  justify-content: space-between;
}

.price-main {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--dark);
}

.price-market {
  font-size: 0.76rem;
  color: var(--text-muted);
  text-decoration: line-through;
}

.card-delivery-tag {
  font-size: 0.76rem;
  color: #475569;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-actions {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.55rem;
}

.btn {
  border: none;
  border-radius: 10px;
  padding: 0.6rem 0.95rem;
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  transition: all 0.15s;
  text-decoration: none;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  flex: 1;
}

.btn-primary:hover {
  background: var(--primary-hover);
}

.btn-accent {
  background: var(--accent);
  color: #0f172a;
}

.btn-dark {
  background: var(--dark);
  color: #fff;
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}

.btn-whatsapp {
  background: #25d366;
  color: #fff;
}

/* Admin Secret Box inside Cards or Admin Table */
.secret-supplier-box {
  margin-top: 0.65rem;
  background: #fffbeb;
  border: 1px solid #fde68a;
  border-radius: 10px;
  padding: 0.65rem;
  font-size: 0.78rem;
}

.secret-row {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.25rem;
}

.secret-margin {
  color: #047857;
  font-weight: 800;
}

/* KPI Grid in Admin */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.kpi-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem;
  box-shadow: var(--shadow);
}

.kpi-label {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
}

.kpi-value {
  font-size: 1.65rem;
  font-weight: 800;
  margin-top: 0.25rem;
  color: var(--dark);
}

.kpi-sub {
  font-size: 0.76rem;
  color: var(--primary);
  margin-top: 0.2rem;
  font-weight: 600;
}

/* Two-Column Panels */
.grid-2col {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 1.25rem;
  margin-bottom: 1.25rem;
}

.panel-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: var(--shadow);
}

.panel-title {
  font-size: 1.1rem;
  font-weight: 800;
  margin-bottom: 0.35rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.panel-desc {
  font-size: 0.84rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

/* Forms */
.form-group {
  margin-bottom: 0.85rem;
}

.form-label {
  display: block;
  font-size: 0.82rem;
  font-weight: 700;
  margin-bottom: 0.3rem;
}

.form-control {
  width: 100%;
  padding: 0.6rem 0.8rem;
  border: 1px solid var(--border);
  border-radius: 9px;
  font-size: 0.9rem;
  font-family: inherit;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

/* Modal */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.65);
  z-index: 200;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.modal-backdrop.open {
  display: flex;
}

.modal-card {
  background: var(--surface);
  border-radius: 16px;
  max-width: 540px;
  width: 100%;
  padding: 1.4rem;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.3);
}

.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--dark);
  color: #fff;
  padding: 0.85rem 1.2rem;
  border-radius: 12px;
  font-size: 0.88rem;
  font-weight: 600;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.25);
  z-index: 300;
  display: none;
}

.toast.show {
  display: block;
}

@media (max-width: 640px) {
  .form-row {
    grid-template-columns: 1fr;
  }
  .hero-title {
    font-size: 1.3rem;
  }
}