:root {
  --primary: #cc785c;
  --primary-active: #a9583e;
  --primary-disabled: #e6dfd8;
  --primary-light: rgba(204, 120, 92, 0.1);
  --ink: #141413;
  --body: #3d3d3a;
  --body-strong: #252523;
  --muted: #6c6a64;
  --muted-soft: #8e8b82;
  --hairline: #e6dfd8;
  --hairline-soft: #ebe6df;
  --canvas: #faf9f5;
  --surface-soft: #f5f0e8;
  --surface-card: #efe9de;
  --surface-cream-strong: #e8e0d2;
  --surface-dark: #1a1918;
  --surface-dark-elevated: #252320;
  --surface-dark-soft: #1f1e1b;
  --on-primary: #ffffff;
  --on-dark: #faf9f5;
  --on-dark-soft: #a09d96;
  --on-dark-muted: #6b6860;
  --success: #5db872;
  --success-light: rgba(93, 184, 114, 0.12);
  --warning: #d4a017;
  --warning-light: rgba(212, 160, 23, 0.12);
  --error: #c64545;
  --error-light: rgba(198, 69, 69, 0.12);
  --info: #5b9bd5;
  --info-light: rgba(91, 155, 213, 0.12);
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-pill: 9999px;
  --font-sans: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-display: "Cormorant Garamond", "EB Garamond", serif;
  --font-code: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --sidebar-width: 260px;
  --sidebar-collapsed: 68px;
  --topbar-height: 60px;
  --shadow-sm: 0 1px 3px rgba(20,20,19,0.06);
  --shadow-md: 0 4px 12px rgba(20,20,19,0.08);
  --shadow-lg: 0 8px 24px rgba(20,20,19,0.12);
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
}

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

body.admin-body {
  min-height: 100vh;
  background: var(--canvas);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.5;
}

button, input, select, textarea { font: inherit; }
button { border: 0; cursor: pointer; }
button:disabled { cursor: not-allowed; opacity: 0.5; }
a { color: inherit; text-decoration: none; }
.hidden { display: none !important; }

/* LOGIN */
.login-overlay {
  position: fixed; inset: 0; z-index: 1000;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--surface-soft), var(--canvas));
}
.login-card {
  width: 100%; max-width: 380px; padding: 40px 32px;
  background: var(--canvas); border: 1px solid var(--hairline);
  border-radius: var(--radius-xl); box-shadow: var(--shadow-lg);
}
.login-logo {
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 24px; font-size: 24px; font-weight: 600;
  font-family: var(--font-display);
}
.logo-icon {
  width: 36px; height: 36px; display: grid; place-items: center;
  border-radius: var(--radius-md); background: var(--ink); color: var(--canvas);
  font-family: var(--font-sans); font-size: 16px;
}
.login-title { font-size: 20px; font-weight: 600; margin-bottom: 24px; color: var(--body-strong); }
.login-divider {
  display: flex; align-items: center; gap: 12px; margin: 16px 0;
  color: var(--muted-soft); font-size: 13px;
}
.login-divider::before, .login-divider::after {
  content: ''; flex: 1; height: 1px; background: var(--hairline);
}

/* LAYOUT */
.admin-layout {
  display: grid; grid-template-columns: var(--sidebar-width) 1fr;
  min-height: 100vh; transition: grid-template-columns var(--transition-normal);
}
.admin-layout.collapsed { grid-template-columns: var(--sidebar-collapsed) 1fr; }

/* SIDEBAR */
.sidebar-backdrop { display: none; }
.sidebar {
  position: sticky; top: 0; height: 100vh; overflow-y: auto;
  display: flex; flex-direction: column;
  background: var(--surface-dark); color: var(--on-dark-soft);
  border-right: 1px solid var(--surface-dark-elevated);
  transition: width var(--transition-normal);
}
/* PLACEHOLDER_SIDEBAR_MORE */
.sidebar-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 16px; border-bottom: 1px solid var(--surface-dark-elevated);
}
.sidebar-logo {
  display: flex; align-items: center; gap: 12px;
  font-family: var(--font-display); font-size: 20px; color: var(--on-dark);
  white-space: nowrap; overflow: hidden;
}
.sidebar-logo .logo-icon { flex-shrink: 0; }
.sidebar-brand { transition: opacity var(--transition-fast); }
.collapsed .sidebar-brand { opacity: 0; width: 0; }
.sidebar-toggle {
  width: 28px; height: 28px; display: grid; place-items: center;
  border-radius: var(--radius-sm); background: var(--surface-dark-elevated);
  color: var(--on-dark-soft); font-size: 14px; transition: transform var(--transition-fast);
}
.sidebar-toggle:hover { color: var(--on-dark); }
.collapsed .sidebar-toggle { transform: rotate(180deg); }

.sidebar-nav { flex: 1; padding: 12px 8px; display: flex; flex-direction: column; gap: 2px; }
.sidebar-footer { padding: 12px 8px; border-top: 1px solid var(--surface-dark-elevated); }

.nav-item {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 12px; border-radius: var(--radius-md);
  color: var(--on-dark-soft); font-size: 14px; font-weight: 500;
  transition: background var(--transition-fast), color var(--transition-fast);
  white-space: nowrap; overflow: hidden;
}
.nav-item:hover { background: var(--surface-dark-elevated); color: var(--on-dark); }
.nav-item.active { background: var(--primary-light); color: var(--primary); }
.nav-item.active .nav-icon { fill: var(--primary); }
.nav-icon { width: 20px; height: 20px; flex-shrink: 0; fill: currentColor; }
.nav-label { transition: opacity var(--transition-fast); }
.collapsed .nav-label { opacity: 0; width: 0; }

/* TOPBAR */
.main-wrapper { display: flex; flex-direction: column; min-height: 100vh; overflow-x: hidden; }
.topbar {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; gap: 16px;
  height: var(--topbar-height); padding: 0 24px;
  background: var(--canvas); border-bottom: 1px solid var(--hairline);
}
.topbar-title { font-size: 18px; font-weight: 600; color: var(--ink); flex: 1; }
.topbar-actions { display: flex; align-items: center; gap: 12px; }
.admin-badge {
  padding: 4px 10px; border-radius: var(--radius-pill);
  background: var(--primary-light); color: var(--primary);
  font-size: 12px; font-weight: 600;
}
.hamburger-btn {
  display: none; width: 36px; height: 36px;
  border-radius: var(--radius-md); background: transparent;
  color: var(--ink); font-size: 20px;
}

/* PAGE CONTENT */
.page-content { flex: 1; padding: 24px; }

/* COMPONENTS */
.form-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.form-group label { font-size: 13px; font-weight: 500; color: var(--body-strong); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

input, select, textarea {
  width: 100%; min-height: 40px; padding: 8px 12px;
  border: 1px solid var(--hairline); border-radius: var(--radius-md);
  background: var(--canvas); color: var(--ink); outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
input:focus, select:focus, textarea:focus {
  border-color: var(--primary); box-shadow: 0 0 0 3px rgba(204,120,92,0.12);
}
input::placeholder { color: var(--muted-soft); }

.btn-primary, .btn-success, .btn-danger {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 8px 16px; border-radius: var(--radius-md);
  font-size: 14px; font-weight: 500; transition: background var(--transition-fast);
}
.btn-primary { background: var(--primary); color: var(--on-primary); }
.btn-primary:hover:not(:disabled) { background: var(--primary-active); }
.btn-success { background: var(--success); color: #fff; }
.btn-success:hover:not(:disabled) { background: #4da563; }
.btn-danger { background: var(--error); color: #fff; }
.btn-danger:hover:not(:disabled) { background: #a83a3a; }
.btn-large { width: 100%; min-height: 44px; font-size: 15px; }
.btn-text { background: transparent; color: var(--muted); padding: 6px 10px; border-radius: var(--radius-md); font-size: 13px; font-weight: 500; }
.btn-text:hover { background: var(--surface-soft); color: var(--ink); }
.btn-outline {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 14px; border: 1px solid var(--hairline); border-radius: var(--radius-md);
  background: var(--canvas); color: var(--body); font-size: 13px; font-weight: 500;
}
.btn-outline:hover { background: var(--surface-soft); border-color: var(--primary); color: var(--primary); }
.btn-sm { padding: 5px 10px; font-size: 12px; min-height: 30px; }

.status-msg { padding: 8px 12px; border-radius: var(--radius-md); font-size: 13px; font-weight: 500; }
.status-msg.error { background: var(--error-light); color: var(--error); }
.status-msg.success { background: var(--success-light); color: var(--success); }
.mt-1 { margin-top: 12px; }
.mt-2 { margin-top: 20px; }

/* STAT CARDS */
.stats-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 24px; }
.stat-card {
  padding: 20px; border: 1px solid var(--hairline); border-radius: var(--radius-lg);
  background: var(--canvas); display: flex; flex-direction: column; gap: 8px;
}
.stat-card .stat-label { font-size: 13px; color: var(--muted); font-weight: 500; }
.stat-card .stat-value { font-size: 28px; font-weight: 700; color: var(--ink); font-family: var(--font-display); }
.stat-card .stat-sub { font-size: 12px; color: var(--muted-soft); }

/* CHARTS */
.chart-row { display: grid; grid-template-columns: 2fr 1fr; gap: 16px; margin-bottom: 24px; }
.chart-card {
  padding: 20px; border: 1px solid var(--hairline); border-radius: var(--radius-lg);
  background: var(--canvas);
}
.chart-card h3 { font-size: 15px; font-weight: 600; margin-bottom: 16px; color: var(--body-strong); }
.chart-wrapper { position: relative; height: 240px; }

/* TABLE */
.table-toolbar {
  display: flex; align-items: center; gap: 12px; margin-bottom: 16px; flex-wrap: wrap;
}
.table-toolbar .search-input { max-width: 240px; }
.table-toolbar .toolbar-right { margin-left: auto; display: flex; gap: 8px; }

.data-table { width: 100%; border-collapse: collapse; }
.data-table th, .data-table td {
  padding: 12px 14px; text-align: left; border-bottom: 1px solid var(--hairline-soft);
  font-size: 13px; white-space: nowrap;
}
.data-table th {
  background: var(--surface-soft); color: var(--muted); font-weight: 600;
  position: sticky; top: 0; user-select: none;
}
.data-table th.sortable { cursor: pointer; }
.data-table th.sortable:hover { color: var(--ink); }
.data-table th .sort-arrow { margin-left: 4px; opacity: 0.4; }
.data-table th.sorted .sort-arrow { opacity: 1; color: var(--primary); }
.data-table tr:hover td { background: var(--primary-light); }
.data-table td { color: var(--body); }
.data-table .cell-code { font-family: var(--font-code); font-size: 12px; }
.data-table .cell-badge {
  display: inline-block; padding: 2px 8px; border-radius: var(--radius-pill);
  font-size: 11px; font-weight: 600;
}
.badge-success { background: var(--success-light); color: var(--success); }
.badge-error { background: var(--error-light); color: var(--error); }
.badge-warning { background: var(--warning-light); color: var(--warning); }
.badge-info { background: var(--info-light); color: var(--info); }

.table-card {
  border: 1px solid var(--hairline); border-radius: var(--radius-lg);
  background: var(--canvas); overflow: hidden;
}
.table-card .table-toolbar { padding: 16px 20px 0; }
.table-card .data-table th:first-child, .table-card .data-table td:first-child { padding-left: 20px; }
.table-scroll { overflow-x: auto; }

/* PAGINATION */
.pagination {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 20px; border-top: 1px solid var(--hairline-soft);
  font-size: 13px; color: var(--muted);
}
.pagination-btns { display: flex; gap: 4px; }
.pagination-btns button {
  min-width: 32px; height: 32px; display: grid; place-items: center;
  border-radius: var(--radius-sm); background: transparent;
  color: var(--body); font-size: 13px; border: 1px solid transparent;
}
.pagination-btns button:hover { background: var(--surface-soft); }
.pagination-btns button.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.pagination-btns button:disabled { opacity: 0.3; }

/* TOAST */
.toast-container {
  position: fixed; top: 16px; right: 16px; z-index: 9999;
  display: flex; flex-direction: column; gap: 8px; pointer-events: none;
}
.toast {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 16px; border-radius: var(--radius-md);
  background: var(--surface-dark); color: var(--on-dark);
  font-size: 13px; font-weight: 500; box-shadow: var(--shadow-lg);
  pointer-events: auto; transform: translateX(0); opacity: 1;
  transition: transform var(--transition-normal), opacity var(--transition-normal);
}
.toast-enter { transform: translateX(120%); opacity: 0; }
.toast-exit { transform: translateX(120%); opacity: 0; }
.toast-success .toast-icon { color: var(--success); }
.toast-error .toast-icon { color: var(--error); }
.toast-info .toast-icon { color: var(--info); }

/* MODAL */
.modal-overlay {
  position: fixed; inset: 0; z-index: 9000;
  display: grid; place-items: center;
  background: rgba(20,20,19,0.5); backdrop-filter: blur(2px);
  animation: fadeIn 0.15s ease;
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.modal {
  width: 90%; max-width: 420px; padding: 28px;
  background: var(--canvas); border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg); animation: scaleIn 0.2s ease;
}
@keyframes scaleIn { from { transform: scale(0.95); opacity: 0; } to { transform: scale(1); opacity: 1; } }
.modal-title { font-size: 17px; font-weight: 600; margin-bottom: 8px; color: var(--ink); }
.modal-body { font-size: 14px; color: var(--muted); margin-bottom: 24px; line-height: 1.6; }
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; }

/* SKELETON */
.skeleton-row {
  height: 44px; margin-bottom: 8px; border-radius: var(--radius-md);
  background: linear-gradient(90deg, var(--surface-soft) 25%, var(--surface-card) 50%, var(--surface-soft) 75%);
  background-size: 200% 100%; animation: shimmer 1.5s infinite;
}
.skeleton-card { height: 100px; border-radius: var(--radius-lg); }
.skeleton-card, .skeleton-chart {
  background: linear-gradient(90deg, var(--surface-soft) 25%, var(--surface-card) 50%, var(--surface-soft) 75%);
  background-size: 200% 100%; animation: shimmer 1.5s infinite;
}
.skeleton-chart { height: 240px; border-radius: var(--radius-lg); }
@keyframes shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }

/* MONITOR */
.monitor-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.monitor-card {
  padding: 20px; border: 1px solid var(--hairline); border-radius: var(--radius-lg);
  background: var(--canvas);
}
.monitor-card h3 { font-size: 14px; font-weight: 600; margin-bottom: 12px; color: var(--body-strong); }
.monitor-item { display: flex; justify-content: space-between; padding: 8px 0; border-bottom: 1px solid var(--hairline-soft); font-size: 13px; }
.monitor-item:last-child { border-bottom: 0; }
.monitor-item .label { color: var(--muted); }
.monitor-item .value { color: var(--ink); font-weight: 500; }
.status-dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 6px; }
.status-dot.green { background: var(--success); }
.status-dot.red { background: var(--error); }
.status-dot.yellow { background: var(--warning); }

/* CONFIG */
.config-section {
  padding: 24px; border: 1px solid var(--hairline); border-radius: var(--radius-lg);
  background: var(--canvas); margin-bottom: 16px;
}
.config-section h3 { font-size: 15px; font-weight: 600; margin-bottom: 16px; color: var(--body-strong); }
.switch { position: relative; width: 44px; height: 24px; flex-shrink: 0; }
.switch input { opacity: 0; width: 0; height: 0; }
.switch span {
  position: absolute; inset: 0; border-radius: var(--radius-pill);
  background: var(--surface-cream-strong); cursor: pointer; transition: background var(--transition-fast);
}
.switch span::before {
  content: ""; position: absolute; width: 18px; height: 18px; left: 3px; top: 3px;
  border-radius: 50%; background: #fff; transition: transform var(--transition-fast);
}
.switch input:checked + span { background: var(--primary); }
.switch input:checked + span::before { transform: translateX(20px); }
.service-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.service-list-box { max-height: 300px; overflow-y: auto; border: 1px solid var(--hairline); border-radius: var(--radius-lg); padding: 8px; margin-top: 12px; }
.service-check-item { display: flex; align-items: center; gap: 10px; padding: 8px 10px; border-radius: var(--radius-md); cursor: pointer; }
.service-check-item:hover { background: var(--surface-soft); }
.service-check-item input { width: 16px; height: 16px; accent-color: var(--primary); }
.service-check-item .svc-name { font-size: 13px; font-weight: 500; color: var(--body-strong); }
.service-check-item .svc-id { font-size: 12px; color: var(--muted); }

/* PASSKEY */
.passkey-item {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 12px; border-bottom: 1px solid var(--hairline-soft);
}
.passkey-item:last-child { border-bottom: 0; }
.passkey-info { display: flex; flex-direction: column; gap: 2px; }
.passkey-name { font-size: 14px; font-weight: 500; color: var(--body-strong); }
.passkey-date { font-size: 12px; color: var(--muted); }

/* RESPONSIVE */
@media (max-width: 1024px) {
  .stats-row { grid-template-columns: repeat(2, 1fr); }
  .chart-row { grid-template-columns: 1fr; }
  .monitor-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .admin-layout { grid-template-columns: 1fr; }
  .sidebar {
    position: fixed; left: -280px; top: 0; z-index: 200;
    width: var(--sidebar-width); transition: left var(--transition-normal);
    box-shadow: none;
  }
  .sidebar.open { left: 0; box-shadow: var(--shadow-lg); }
  .sidebar-backdrop {
    display: block;
    position: fixed; inset: 0; z-index: 199;
    background: rgba(0,0,0,0.4); opacity: 0; pointer-events: none;
    transition: opacity var(--transition-normal);
  }
  .sidebar-backdrop.active { opacity: 1; pointer-events: auto; }
  .hamburger-btn { display: grid; }
  .sidebar-toggle { display: none; }
  .page-content { padding: 16px; }
  .topbar { padding: 0 16px; }
  .stats-row { grid-template-columns: 1fr 1fr; gap: 10px; }
  .stat-card { padding: 14px; }
  .stat-card .stat-value { font-size: 22px; }
  .form-row { grid-template-columns: 1fr; }
  .table-toolbar { flex-direction: column; align-items: stretch; gap: 8px; }
  .table-toolbar .search-input { max-width: 100%; }
  .table-toolbar .toolbar-right { margin-left: 0; justify-content: flex-start; flex-wrap: wrap; }
  .table-card .table-toolbar { padding: 12px 14px 0; }
  .table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .data-table th, .data-table td { padding: 10px 10px; font-size: 12px; }
  .pagination { padding: 10px 14px; flex-wrap: wrap; gap: 8px; }
  .chart-wrapper { height: 200px; }
  .config-section { padding: 16px; }
  .monitor-card { padding: 14px; }
  .modal { width: 94%; padding: 20px; margin: 16px; }
  .login-card { margin: 16px; padding: 28px 20px; }
}
@media (max-width: 480px) {
  .stats-row { grid-template-columns: 1fr; }
  .topbar-title { font-size: 16px; }
  .admin-badge { display: none; }
  .btn-outline { padding: 6px 10px; font-size: 12px; }
  .btn-primary { padding: 7px 12px; font-size: 13px; }
}