:root {
  --primary: #2554ff;
  --primary-dark: #122a80;
  --primary-soft: #e4ebff;
  --bg: #f3f4f8;
  --card-bg: #ffffff;
  --text-main: #111827;
  --text-muted: #6b7280;
  --radius-lg: 16px;
  --shadow-soft: 0 10px 30px rgba(15, 23, 42, 0.12);
  --transition-fast: 0.18s ease-out;
  --transition-med: 0.25s ease-out;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
}

body {
  background: radial-gradient(circle at top left, #e0e7ff 0, #f3f4f8 40%, #f9fafb 100%);
  color: var(--text-main);
  -webkit-font-smoothing: antialiased;
}

/* Topbar */
.topbar {
  height: 60px;
  background: linear-gradient(90deg, var(--primary-dark), var(--primary));
  color: #fff;
  display: flex;
  align-items: center;
  padding: 0 18px;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.4);
  backdrop-filter: blur(10px);
}
.topbar-title {
  margin-left: 12px;
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0.02em;
}
.topbar-subtitle {
  margin-left: auto;
  font-size: 12px;
  opacity: 0.9;
}

/* Burger */
.menu-toggle {
  width: 36px;
  height: 32px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  cursor: pointer;
  transition: transform var(--transition-med);
}
.menu-toggle span {
  height: 3px;
  border-radius: 999px;
  background: #fff;
  display: block;
  width: 22px;
  transition: transform var(--transition-med), opacity var(--transition-fast), width var(--transition-fast);
}
.menu-toggle span:nth-child(2) {
  width: 16px;
}
body.menu-open .menu-toggle span:nth-child(1) {
  transform: translateY(4px) rotate(45deg);
  width: 22px;
}
body.menu-open .menu-toggle span:nth-child(2) {
  opacity: 0;
}
body.menu-open .menu-toggle span:nth-child(3) {
  transform: translateY(-4px) rotate(-45deg);
  width: 22px;
}

/* Sidebar */
.sidebar {
  position: fixed;
  top: 60px;
  left: -280px;
  width: 260px;
  height: calc(100vh - 60px);
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 16px 40px rgba(15, 23, 42, 0.35);
  border-top-right-radius: 18px;
  border-bottom-right-radius: 18px;
  transition: left var(--transition-med);
  z-index: 999;
  backdrop-filter: blur(10px);
  overflow: hidden;
}
.sidebar.open {
  left: 0;
}
.sidebar-header {
  padding: 18px;
  background: linear-gradient(135deg, var(--primary-soft), #edf2ff);
  font-weight: 600;
  font-size: 14px;
  color: var(--primary-dark);
  border-bottom: 1px solid rgba(148, 163, 184, 0.3);
}
.sidebar ul {
  list-style: none;
  padding: 10px 0;
}
.sidebar li {
  border-bottom: 1px solid rgba(226, 232, 240, 0.7);
}
.sidebar a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 18px;
  text-decoration: none;
  color: var(--text-main);
  font-size: 14px;
  transition: background var(--transition-fast), transform var(--transition-fast);
}
.sidebar a::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: var(--primary);
  opacity: 0;
  transform: scale(0.4);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}
.sidebar a:hover {
  background: rgba(226, 232, 240, 0.6);
  transform: translateX(2px);
}
.sidebar a:hover::before {
  opacity: 1;
  transform: scale(1);
}
.sidebar a.active {
  background: rgba(37, 84, 255, 0.08);
  color: var(--primary-dark);
  font-weight: 600;
}
.sidebar a.active::before {
  opacity: 1;
  transform: scale(1);
}

/* Overlay */
.overlay {
  position: fixed;
  inset: 60px 0 0 0;
  background: rgba(15, 23, 42, 0.35);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-med), visibility var(--transition-med);
  z-index: 900;
}
.overlay.show {
  opacity: 1;
  visibility: visible;
}

/* Content */
.content {
  padding-top: 80px;
  padding-inline: 16px;
  padding-bottom: 32px;
  max-width: 1200px;
  margin: 0 auto;
}
.breadcrumb {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 6px;
}
.page-header {
  display: flex;
  flex-direction: column;
  gap: 4px;
  align-items: flex-start;
  margin-bottom: 16px;
}
.page-title {
  font-size: 22px;
  font-weight: 600;
}
.page-subtitle {
  font-size: 13px;
  color: var(--text-muted);
}
.badge {
  margin-top: 8px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(37, 84, 255, 0.06);
  color: var(--primary-dark);
  font-size: 11px;
  font-weight: 500;
}
.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: #10b981;
  box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.28);
}

/* Cards & layout */
.card {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  padding: 16px;
  overflow: hidden;
  animation: fadeInUp 0.35s ease-out;
}
.card-title-sm {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 6px;
}
.card-meta {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 6px;
}
.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 10px;
  font-size: 13px;
}
.info-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 2px;
}

/* Inputs & boutons */
.input,
.select,
.textarea {
  width: 100%;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.7);
  padding: 8px 10px;
  font-size: 13px;
  outline: none;
  background: rgba(255, 255, 255, 0.96);
  transition: border var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
}
.textarea {
  border-radius: 12px;
  min-height: 70px;
  resize: vertical;
}
.input:focus,
.select:focus,
.textarea:focus {
  border-color: var(--primary);
  background: #fff;
  box-shadow: 0 0 0 1px rgba(37, 84, 255, 0.3);
}
.btn-primary {
  border-radius: 999px;
  border: none;
  padding: 8px 14px;
  font-size: 13px;
  background: linear-gradient(135deg, var(--primary), #4f46e5);
  color: #fff;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  box-shadow: 0 10px 20px rgba(79, 70, 229, 0.35);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), filter var(--transition-fast);
}
.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 26px rgba(79, 70, 229, 0.45);
  filter: brightness(1.02);
}
.btn-secondary {
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.7);
  padding: 8px 14px;
  font-size: 13px;
  background: rgba(255, 255, 255, 0.9);
  color: var(--text-main);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
}
.btn-link {
  border: none;
  background: transparent;
  font-size: 12px;
  color: var(--text-muted);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

/* Tables */
.table-wrapper {
  overflow-x: auto;
  margin-top: 8px;
  border-radius: 12px;
  border: 1px solid rgba(226, 232, 240, 0.9);
}
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  background: #fff;
}
thead {
  background: rgba(248, 250, 252, 0.9);
}
th,
td {
  padding: 8px 9px;
  text-align: left;
  white-space: nowrap;
}
th {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  border-bottom: 1px solid rgba(226, 232, 240, 0.9);
}
tbody tr:nth-child(even) {
  background: #f9fafb;
}
tbody tr:hover {
  background: #eef2ff;
  cursor: pointer;
}
.price {
  font-variant-numeric: tabular-nums;
  text-align: right;
}
.tag {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 999px;
  background: rgba(37, 84, 255, 0.08);
  color: var(--primary-dark);
  font-size: 10px;
  font-weight: 500;
}
.btn-group {
  margin-top: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

/* Layouts */
.layout-two {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(0, 1.5fr);
  gap: 16px;
}
@media (max-width: 899px) {
  .layout-two {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* Anim */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Desktop */
@media (min-width: 768px) {
  .sidebar {
    left: 0;
    border-radius: 0;
  }
  .overlay {
    display: none;
  }
  .content {
    margin-left: 260px;
    padding-inline: 32px;
  }
  .topbar {
    padding-inline: 24px;
  }
  .topbar-subtitle {
    font-size: 13px;
  }
}