:root {
  --bg: #f3f6fb;
  --surface: #ffffff;
  --surface-soft: #f8fafe;
  --text: #0f172a;
  --text-muted: #64748b;
  --line: #e2e8f0;
  --primary: #4f46e5;
  --primary-soft: #eef2ff;
  --success: #16a34a;
  --danger: #dc2626;
  --warning: #d97706;
  --radius: 16px;
  --radius-sm: 12px;
  --shadow: 0 8px 24px rgba(15, 23, 42, 0.06);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  font-family: Inter, "Segoe UI", Roboto, Arial, sans-serif;
  color: var(--text);
  background: radial-gradient(circle at top left, #e8ecff 0%, var(--bg) 40%);
}

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

.auth-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 20px;
}

.auth-card {
  width: min(100%, 460px);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 22px;
  box-shadow: var(--shadow);
  padding: 28px;
}

.auth-title {
  margin: 0 0 6px;
  font-size: 28px;
  font-weight: 700;
}

.auth-subtitle {
  margin: 0 0 22px;
  color: var(--text-muted);
}

.field {
  display: grid;
  gap: 8px;
  margin-bottom: 14px;
}

.field label {
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 600;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface);
  padding: 12px 14px;
  font-size: 14px;
  color: var(--text);
  outline: none;
  transition: border-color .2s ease;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: #a5b4fc;
}

.field textarea {
  min-height: 94px;
  resize: vertical;
}

.helper {
  margin-top: 6px;
  font-size: 12px;
  color: var(--text-muted);
}

.btn {
  border: 1px solid transparent;
  border-radius: 12px;
  padding: 10px 14px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

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

.btn-secondary {
  background: var(--surface);
  border-color: var(--line);
  color: var(--text);
}

.btn-danger {
  background: #fee2e2;
  color: var(--danger);
}

.btn-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.admin-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 280px 1fr;
}

.admin-sidebar {
  background: #0f172a;
  color: #e2e8f0;
  padding: 22px;
  display: flex;
  flex-direction: column;
  border-right: 1px solid rgba(255, 255, 255, .08);
}

.brand-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 26px;
}

.brand-dot {
  width: 14px;
  height: 14px;
  border-radius: 999px;
  background: linear-gradient(135deg, #60a5fa, #a78bfa);
}

.brand-title {
  font-size: 18px;
  font-weight: 700;
}

.brand-subtitle {
  font-size: 12px;
  color: #94a3b8;
}

.admin-nav {
  display: grid;
  gap: 8px;
}

.admin-nav-item {
  border-radius: 10px;
  padding: 11px 12px;
  color: #cbd5e1;
  border: 1px solid transparent;
}

.admin-nav-item.is-active,
.admin-nav-item:hover {
  color: #fff;
  background: rgba(79, 70, 229, .22);
  border-color: rgba(165, 180, 252, .35);
}

.sidebar-footer {
  margin-top: auto;
  padding-top: 18px;
  border-top: 1px solid rgba(148, 163, 184, .2);
}

.sidebar-user {
  font-weight: 700;
}

.sidebar-login {
  color: #94a3b8;
  font-size: 13px;
  margin-top: 4px;
}

.admin-main {
  padding: 20px;
}

.admin-topbar {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  box-shadow: var(--shadow);
}

.admin-topbar h1 {
  margin: 0;
  font-size: 22px;
}

.admin-content {
  margin-top: 16px;
  display: grid;
  gap: 14px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px;
}

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.kpi-item {
  background: var(--surface-soft);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px;
}

.kpi-label {
  margin: 0 0 8px;
  color: var(--text-muted);
  font-size: 13px;
}

.kpi-value {
  margin: 0;
  font-size: 26px;
  font-weight: 700;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.table-wrap {
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 12px;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 960px;
}

thead th {
  background: var(--surface-soft);
  color: #334155;
  font-size: 13px;
  text-align: left;
  padding: 11px 12px;
  border-bottom: 1px solid var(--line);
}

tbody td {
  padding: 11px 12px;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
}

tbody tr:hover {
  background: #f8fafc;
}

.status-pill {
  border-radius: 999px;
  padding: 4px 9px;
  font-size: 12px;
  font-weight: 700;
  display: inline-block;
}

.status-active {
  background: #dcfce7;
  color: #166534;
}

.status-draft {
  background: #ffedd5;
  color: #9a3412;
}

.status-suspended {
  background: #fee2e2;
  color: #991b1b;
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.toolbar .field {
  margin-bottom: 0;
  min-width: 220px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.form-grid .full {
  grid-column: 1 / -1;
}

.alert {
  border-radius: 12px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  font-size: 14px;
}

.alert-error {
  background: #fff1f2;
  border-color: #fecdd3;
  color: #be123c;
}

.alert-success {
  background: #f0fdf4;
  border-color: #bbf7d0;
  color: #166534;
}

.auth-link {
  margin-top: 14px;
  color: var(--text-muted);
  font-size: 13px;
}

@media (max-width: 1160px) {
  .kpi-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .grid-2,
  .form-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 920px) {
  .admin-shell {
    grid-template-columns: 1fr;
  }

  .admin-sidebar {
    border-right: none;
    border-bottom: 1px solid rgba(255, 255, 255, .08);
    gap: 10px;
  }

  .admin-main {
    padding: 14px;
  }

  .admin-topbar {
    flex-direction: column;
    align-items: flex-start;
  }
}