/* ==============================================================================
   NEARco. — Studio Admin Design System
   ============================================================================== */

:root {
  --admin-bg: #0C0C0C;
  --admin-sidebar-bg: #111111;
  --admin-card-bg: #161616;
  --admin-card-hover: #1C1C1C;
  --admin-border: rgba(255, 255, 255, 0.08);
  --admin-border-hover: rgba(255, 255, 255, 0.16);

  --text-main: #F7F5F0;
  --text-muted: #8E8E8E;
  --text-subtle: #555555;

  --accent-orange: #FF5500;
  --accent-orange-hover: #E04B00;
  --accent-orange-subtle: rgba(255, 85, 0, 0.12);

  --color-success: #22C55E;
  --color-success-bg: rgba(34, 197, 94, 0.12);
  --color-danger: #EF4444;
  --color-danger-bg: rgba(239, 68, 68, 0.12);
  --color-warning: #F59E0B;
  --color-warning-bg: rgba(245, 158, 11, 0.12);
  --color-info: #3B82F6;
  --color-info-bg: rgba(59, 130, 246, 0.12);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--admin-bg);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

/* Admin Layout */
.admin-sidebar {
  width: 260px;
  background-color: var(--admin-sidebar-bg);
  border-right: 1px solid var(--admin-border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 100;
  overflow-y: auto;
}

.admin-main {
  margin-left: 260px;
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  width: calc(100% - 260px);
}

.admin-header {
  height: 64px;
  border-bottom: 1px solid var(--admin-border);
  background-color: rgba(12, 12, 12, 0.85);
  backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  position: sticky;
  top: 0;
  z-index: 90;
}

.admin-content {
  padding: 2rem;
  flex: 1;
}

/* Brand */
.sidebar-brand {
  padding: 1.5rem;
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  border-bottom: 1px solid var(--admin-border);
}
.sidebar-brand .accent {
  color: var(--accent-orange);
}

/* Nav Menu */
.sidebar-menu {
  list-style: none;
  padding: 1rem 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.sidebar-heading {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-subtle);
  padding: 0.75rem 0.75rem 0.25rem;
  font-weight: 700;
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.65rem 0.85rem;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.15s ease;
}

.sidebar-link:hover {
  background-color: var(--admin-card-bg);
  color: var(--text-main);
}

.sidebar-link.active {
  background-color: var(--accent-orange-subtle);
  color: var(--accent-orange);
  font-weight: 600;
}

.sidebar-link svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.6rem 1.2rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--accent-orange);
  color: #fff;
}
.btn-primary:hover {
  background-color: var(--accent-orange-hover);
}

.btn-secondary {
  background-color: var(--admin-card-bg);
  color: var(--text-main);
  border: 1px solid var(--admin-border);
}
.btn-secondary:hover {
  background-color: var(--admin-card-hover);
  border-color: var(--admin-border-hover);
}

.btn-danger {
  background-color: var(--color-danger);
  color: #fff;
}
.btn-danger:hover {
  background-color: #DC2626;
}

.btn-sm {
  padding: 0.35rem 0.75rem;
  font-size: 0.8rem;
}

/* Cards & Stats */
.card {
  background-color: var(--admin-card-bg);
  border: 1px solid var(--admin-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.card-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.card-desc {
  color: var(--text-muted);
  font-size: 0.875rem;
  margin-bottom: 1.5rem;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.stat-card {
  background-color: var(--admin-card-bg);
  border: 1px solid var(--admin-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
  margin-bottom: 0.5rem;
}

.stat-value {
  font-size: 2rem;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.02em;
}

/* Tables */
.table-responsive {
  width: 100%;
  overflow-x: auto;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.875rem;
}

.admin-table th {
  padding: 0.75rem 1rem;
  background-color: rgba(255, 255, 255, 0.02);
  border-bottom: 1px solid var(--admin-border);
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
}

.admin-table td {
  padding: 1rem;
  border-bottom: 1px solid var(--admin-border);
  vertical-align: middle;
}

.admin-table tbody tr:hover {
  background-color: rgba(255, 255, 255, 0.02);
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.65rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
}
.badge-success { background: var(--color-success-bg); color: var(--color-success); }
.badge-danger { background: var(--color-danger-bg); color: var(--color-danger); }
.badge-warning { background: var(--color-warning-bg); color: var(--color-warning); }
.badge-info { background: var(--color-info-bg); color: var(--color-info); }
.badge-muted { background: rgba(255,255,255,0.08); color: var(--text-muted); }

/* Forms */
.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: var(--text-main);
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  background-color: #111111;
  border: 1px solid var(--admin-border);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-size: 0.9rem;
  transition: border-color 0.15s ease;
}

.form-control:focus {
  outline: none;
  border-color: var(--accent-orange);
}

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

/* Flash Alerts */
.alert {
  padding: 1rem 1.25rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.alert-success { background: var(--color-success-bg); color: var(--color-success); border: 1px solid rgba(34,197,94,0.3); }
.alert-error { background: var(--color-danger-bg); color: var(--color-danger); border: 1px solid rgba(239,68,68,0.3); }

/* Responsive */
@media (max-width: 900px) {
  .admin-sidebar {
    transform: translateX(-100%);
    transition: transform 0.3s ease;
  }
  .admin-sidebar.open {
    transform: translateX(0);
  }
  .admin-main {
    margin-left: 0;
    width: 100%;
  }
}

@media (max-width: 600px) {
  .admin-header {
    padding: 0 1rem;
  }
  .admin-content {
    padding: 1.25rem 1rem;
  }
  .stats-grid {
    grid-template-columns: 1fr;
  }
  .card {
    padding: 1.25rem 1rem;
  }
}