:root {
  --bg: #f4f6fb;
  --panel: #ffffff;
  --panel-soft: #f8fafc;
  --line: #e5e7eb;
  --text: #0f172a;
  --muted: #64748b;
  --primary: #0f172a;
  --primary-2: #f97316;
  --green: #16a34a;
  --yellow: #d97706;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Arial, sans-serif;
}

.admin-shell {
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: 100vh;
}

.admin-sidebar {
  background: #0f172a;
  color: white;
  padding: 1.5rem 1rem;
}

.brand-box {
  font-size: 1.8rem;
  font-weight: 800;
  margin-bottom: 2rem;
  letter-spacing: -0.05em;
}

.admin-sidebar nav {
  display: grid;
  gap: 0.45rem;
}

.admin-sidebar a {
  color: rgba(255,255,255,0.8);
  text-decoration: none;
  padding: 0.75rem 0.9rem;
  border-radius: 10px;
  transition: 0.2s ease;
}

.admin-sidebar a.active,
.admin-sidebar a:hover {
  background: rgba(255,255,255,0.08);
  color: #fff;
}

.admin-main {
  padding: 2rem;
}

.admin-topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
}

.eyebrow-admin {
  margin: 0;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.75rem;
  font-weight: 700;
}

.admin-main h1 {
  margin: 0.35rem 0 0;
  font-size: 2.2rem;
}

.admin-button {
  border: none;
  border-radius: 10px;
  padding: 0.8rem 1rem;
  font-weight: 700;
  cursor: pointer;
}

.admin-button.primary {
  background: var(--primary-2);
  color: #fff;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(180px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.stat-card,
.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1.25rem;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.04);
}

.stat-card {
  display: grid;
  gap: 0.6rem;
}

.stat-card span {
  color: var(--muted);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.stat-card strong {
  font-size: 2rem;
}

.admin-panels {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 1rem;
}

.panel h2 {
  margin-top: 0;
}

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

th, td {
  padding: 0.8rem 0.6rem;
  border-bottom: 1px solid var(--line);
  text-align: left;
}

th {
  color: var(--muted);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.mini-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.7rem;
}

.form-panel {
  margin-bottom: 1.5rem;
}

.brand-form {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 1rem;
  align-items: end;
}

.brand-form label {
  display: grid;
  gap: 0.45rem;
  font-weight: 600;
  color: var(--muted);
}

.brand-form input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.8rem 0.9rem;
  font-size: 1rem;
}

.brand-form select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.8rem 0.9rem;
  font-size: 1rem;
  background: #fff;
}

.brand-logo {
  width: 74px;
  height: 34px;
  object-fit: contain;
  border-radius: 8px;
  background: #f8fafc;
  padding: 0.2rem;
}

.danger-link {
  color: #b91c1c;
  text-decoration: none;
  font-weight: 700;
}

.full { width: 100%; }

@media (max-width: 900px) {
  .admin-shell {
    grid-template-columns: 1fr;
  }

  .stats-grid,
  .admin-panels,
  .brand-form {
    grid-template-columns: 1fr;
  }
}