@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  --accent: #4f46e5;
  --accent-hover: #3730a3;
  --accent-light: #c7d2fe;
  --accent-bg: #eef2ff;

  --bg-primary: #f5f0eb;
  --bg-secondary: #ffffff;
  --bg-tertiary: #fef3c7;
  --surface: #ffffff;
  --surface-hover: #fefce8;
  --surface-elevated: #ffffff;

  --text-primary: #1a1a2e;
  --text-secondary: #3d3d5c;
  --text-tertiary: #6b7280;
  --text-inverse: #ffffff;

  --border: #1a1a2e;
  --border-width: 2.5px;
  --border-thick: 3px;

  --shadow-sm: 3px 3px 0px var(--border);
  --shadow-md: 5px 5px 0px var(--border);
  --shadow-lg: 7px 7px 0px var(--border);
  --shadow-xl: 10px 10px 0px var(--border);
  --shadow-hover: 8px 8px 0px var(--border);
  --shadow-active: 2px 2px 0px var(--border);

  --yellow: #fbbf24;
  --yellow-bg: #fef3c7;
  --pink: #ec4899;
  --pink-bg: #fce7f3;
  --green: #10b981;
  --green-bg: #d1fae5;
  --blue: #3b82f6;
  --blue-bg: #dbeafe;
  --orange: #f97316;
  --orange-bg: #ffedd5;
  --red: #ef4444;
  --red-bg: #fee2e2;
  --purple: #8b5cf6;
  --purple-bg: #ede9fe;

  --success: #059669;
  --success-bg: #d1fae5;
  --warning: #d97706;
  --warning-bg: #fef3c7;
  --danger: #dc2626;
  --danger-bg: #fee2e2;
  --info: #2563eb;
  --info-bg: #dbeafe;

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;

  --transition-fast: 100ms ease;
  --transition-base: 200ms ease;

  --sidebar-width: 260px;
  --topbar-height: 64px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  transition: background var(--transition-base), color var(--transition-base);
}

a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
}

a:hover {
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

.setup-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: var(--bg-primary);
}

.setup-card {
  position: relative;
  z-index: 1;
  background: var(--surface);
  border: var(--border-thick) solid var(--border);
  border-radius: var(--radius-lg);
  padding: 48px;
  width: 100%;
  max-width: 520px;
  box-shadow: var(--shadow-xl);
  animation: cardPop 0.4s ease-out;
}

@keyframes cardPop {
  from { opacity: 0; transform: translateY(20px) scale(0.97); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.setup-logo {
  text-align: center;
  margin-bottom: 32px;
}



.setup-logo h1 {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.03em;
}

.setup-logo p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-top: 4px;
  font-weight: 500;
}

.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.form-input {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-primary);
  border: var(--border-width) solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.9375rem;
  font-weight: 500;
  transition: all var(--transition-fast);
  outline: none;
  box-shadow: var(--shadow-sm);
}

.form-input:focus {
  box-shadow: var(--shadow-md);
  transform: translate(-1px, -1px);
  border-color: var(--accent);
  background: var(--surface);
}

.form-input::placeholder {
  color: var(--text-tertiary);
  font-weight: 400;
}

.form-input-icon-wrap {
  position: relative;
}

.form-input-icon-wrap .form-input {
  padding-left: 44px;
}

.form-input-icon-wrap .input-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-tertiary);
  width: 18px;
  height: 18px;
  pointer-events: none;
}

select.form-input {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%231a1a2e' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 40px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 700;
  cursor: pointer;
  border: var(--border-width) solid var(--border);
  transition: all var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
  position: relative;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.btn:hover {
  text-decoration: none;
}

.btn:active {
  box-shadow: var(--shadow-active) !important;
  transform: translate(3px, 3px) !important;
}

.btn-primary {
  background: var(--accent);
  color: white;
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-lg);
  background: var(--accent-hover);
}

.btn-secondary {
  background: var(--yellow);
  color: var(--text-primary);
  box-shadow: var(--shadow-md);
}

.btn-secondary:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-lg);
}

.btn-danger {
  background: var(--red);
  color: white;
  box-shadow: var(--shadow-md);
}

.btn-danger:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-lg);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border-color: transparent;
  box-shadow: none;
  padding: 8px 12px;
}

.btn-ghost:hover {
  background: var(--accent-bg);
  color: var(--accent);
  border-color: var(--border);
  box-shadow: var(--shadow-sm);
  transform: translate(-1px, -1px);
}

.btn-sm {
  padding: 6px 12px;
  font-size: 0.75rem;
}

.btn-lg {
  padding: 14px 28px;
  font-size: 1rem;
}

.btn-icon {
  padding: 8px;
}

.btn-full {
  width: 100%;
}

.btn svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: var(--shadow-sm) !important;
}

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

.connection-result {
  margin-top: 16px;
  padding: 14px 16px;
  border: var(--border-width) solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 600;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

.connection-result.success {
  background: var(--green-bg);
  color: var(--success);
  box-shadow: 3px 3px 0px var(--success);
}

.connection-result.error {
  background: var(--red-bg);
  color: var(--danger);
  box-shadow: 3px 3px 0px var(--danger);
}

.connection-result svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  margin-top: 1px;
}

.app-layout {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: var(--sidebar-width);
  background: var(--surface);
  border-right: var(--border-thick) solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 100;
  transition: width var(--transition-base), transform var(--transition-base);
  overflow-y: auto;
  overflow-x: hidden;
}

.sidebar-header {
  padding: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  border-bottom: var(--border-thick) solid var(--border);
  flex-shrink: 0;
}

.sidebar-brand {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.03em;
}

.sidebar-nav {
  padding: 16px 12px;
  flex: 1;
}

.nav-section {
  margin-bottom: 24px;
}

.nav-section-title {
  font-size: 0.6875rem;
  font-weight: 800;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 0 12px;
  margin-bottom: 8px;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 600;
  transition: all var(--transition-fast);
  cursor: pointer;
  text-decoration: none;
  position: relative;
  border: 2px solid transparent;
}

.nav-link:hover {
  background: var(--accent-bg);
  color: var(--accent);
  border-color: var(--border);
  box-shadow: var(--shadow-sm);
  transform: translate(-2px, -2px);
  text-decoration: none;
}

.nav-link.active {
  background: var(--accent);
  color: white;
  border-color: var(--border);
  box-shadow: var(--shadow-sm);
  font-weight: 700;
}

.nav-link svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.nav-badge {
  margin-left: auto;
  background: var(--pink);
  color: white;
  font-size: 0.6875rem;
  font-weight: 800;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  border: 2px solid var(--border);
  min-width: 24px;
  text-align: center;
}

.nav-link.active .nav-badge {
  background: var(--yellow);
  color: var(--text-primary);
}

.main-area {
  flex: 1;
  margin-left: var(--sidebar-width);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: margin-left var(--transition-base);
}

.topbar {
  height: var(--topbar-height);
  background: var(--surface);
  border-bottom: var(--border-thick) solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  position: sticky;
  top: 0;
  z-index: 50;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.topbar-title {
  font-size: 1.375rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.03em;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: var(--border-width) solid var(--border);
  color: var(--text-primary);
  cursor: pointer;
  padding: 6px;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
}

.mobile-menu-btn:hover {
  background: var(--yellow);
  transform: translate(-1px, -1px);
  box-shadow: var(--shadow-md);
}

.mobile-menu-btn:active {
  transform: translate(1px, 1px);
  box-shadow: 1px 1px 0 var(--border);
}

.mobile-menu-btn svg {
  width: 24px;
  height: 24px;
}



.theme-dropdown {
  position: relative;
}

.theme-dropdown-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--surface);
  border: var(--border-width) solid var(--border);
  border-radius: var(--radius-sm);
  padding: 6px 12px;
  cursor: pointer;
  color: var(--text-primary);
  font-family: inherit;
  font-weight: 700;
  font-size: 0.8125rem;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.theme-dropdown-btn:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-md);
}

.theme-dropdown-btn:active {
  transform: translate(1px, 1px);
  box-shadow: var(--shadow-active);
}

.theme-dropdown-btn svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.theme-dropdown-chevron {
  width: 12px !important;
  height: 12px !important;
  transition: transform var(--transition-fast);
}

.theme-dropdown-label {
  min-width: 60px;
  text-align: center;
}

.theme-dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: var(--surface);
  border: var(--border-thick) solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 8px;
  min-width: 200px;
  z-index: 100;
  display: none;
  max-height: 400px;
  overflow-y: auto;
  animation: dropdownOpen 0.2s ease-out;
}

.theme-dropdown-menu.open {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
}

@keyframes dropdownOpen {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

.theme-option {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border: 2px solid transparent;
  border-radius: var(--radius-sm);
  background: none;
  cursor: pointer;
  font-family: inherit;
  font-weight: 600;
  font-size: 0.8125rem;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.theme-option:hover {
  background: var(--accent-bg);
  color: var(--text-primary);
  border-color: var(--border);
  box-shadow: var(--shadow-sm);
  transform: translate(-1px, -1px);
}

.theme-option.active {
  background: var(--accent);
  color: white;
  border-color: var(--border);
  box-shadow: var(--shadow-sm);
  font-weight: 700;
}

.theme-swatch {
  width: 20px;
  height: 20px;
  border-radius: 4px;
  border: 2.5px solid;
  flex-shrink: 0;
  box-shadow: 1px 1px 0 rgba(0,0,0,0.15);
}

.content {
  flex: 1;
  padding: 28px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 32px;
}

.stat-card {
  background: var(--surface);
  border: var(--border-thick) solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.stat-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-lg);
}

.stat-card:active {
  transform: translate(1px, 1px);
  box-shadow: var(--shadow-active);
}

.stat-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.stat-card-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  border: var(--border-width) solid var(--border);
  box-shadow: var(--shadow-sm);
}

.stat-card-icon.users { background: var(--purple); color: white; }
.stat-card-icon.nodes { background: var(--blue); color: white; }
.stat-card-icon.online { background: var(--green); color: white; }
.stat-card-icon.keys { background: var(--orange); color: white; }

.stat-card-icon svg {
  width: 22px;
  height: 22px;
}

.stat-card-label {
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.stat-card-value {
  font-size: 2.75rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1;
  margin-bottom: 8px;
  font-variant-numeric: tabular-nums;
}

.stat-card-sub {
  font-size: 0.8125rem;
  color: var(--text-tertiary);
  font-weight: 500;
}

.table-card {
  background: var(--surface);
  border: var(--border-thick) solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  margin-bottom: 24px;
}

.table-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: var(--border-width) solid var(--border);
  background: var(--bg-secondary);
}

.table-card-title {
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin: 0;
}

.table-wrapper {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 0.875rem;
}

thead {
  background: var(--bg-secondary);
  position: sticky;
  top: 0;
  z-index: 10;
}

th {
  padding: 14px 16px;
  text-align: left;
  font-weight: 800;
  font-size: 0.75rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border-bottom: var(--border-width) solid var(--border);
  white-space: nowrap;
}

td {
  padding: 14px 16px;
  color: var(--text-primary);
  border-bottom: 1px solid var(--border);
}

tbody tr {
  transition: background var(--transition-fast);
}

tbody tr:hover {
  background: var(--surface-hover);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border: 2px solid var(--border);
  box-shadow: 2px 2px 0 var(--border);
  white-space: nowrap;
}

.badge-success { background: var(--green-bg); color: var(--success); }
.badge-danger { background: var(--red-bg); color: var(--danger); }
.badge-warning { background: var(--orange-bg); color: var(--orange); }
.badge-info { background: var(--blue-bg); color: var(--info); }
.badge-neutral { background: var(--bg-secondary); color: var(--text-tertiary); }

.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  flex-shrink: 0;
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 700;
  background: var(--accent-bg);
  color: var(--accent);
  margin: 2px;
  border: 2px solid var(--border);
}

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(26, 26, 46, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 24px;
  animation: fadeIn 0.2s ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.modal {
  background: var(--surface);
  border: var(--border-thick) solid var(--border);
  border-radius: var(--radius-md);
  width: 100%;
  max-width: 500px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
  animation: modalPop 0.3s ease-out;
}

@keyframes modalPop {
  from { opacity: 0; transform: scale(0.95) translateY(10px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: var(--border-thick) solid var(--border);
  background: var(--pink-bg);
}

.modal-title {
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.modal-close {
  background: var(--surface);
  border: var(--border-width) solid var(--border);
  color: var(--text-primary);
  cursor: pointer;
  padding: 4px;
  border-radius: var(--radius-sm);
  box-shadow: 2px 2px 0 var(--border);
  transition: all var(--transition-fast);
}

.modal-close:hover {
  background: var(--red);
  color: white;
  transform: translate(-1px, -1px);
  box-shadow: 3px 3px 0 var(--border);
}

.modal-close:active {
  transform: translate(1px, 1px);
  box-shadow: 1px 1px 0 var(--border);
}

.modal-close svg {
  width: 20px;
  height: 20px;
}

.modal-body {
  padding: 24px;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  padding: 0 24px 24px;
}

.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toast {
  padding: 14px 20px;
  border: var(--border-width) solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 700;
  box-shadow: var(--shadow-md);
  animation: toastSlideIn 0.3s ease-out;
  max-width: 360px;
}

@keyframes toastSlideIn {
  from { opacity: 0; transform: translateX(30px); }
  to { opacity: 1; transform: translateX(0); }
}

.toast-info { background: var(--blue); color: white; }
.toast-success { background: var(--green); color: white; }
.toast-error { background: var(--red); color: white; }

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 12px;
}

.page-header-info h2 {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.03em;
  text-transform: uppercase;
}

.page-header-info p {
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin-top: 2px;
  font-weight: 500;
}

.empty-state {
  padding: 60px 24px;
  text-align: center;
  color: var(--text-tertiary);
}

.empty-state svg {
  width: 64px;
  height: 64px;
  margin-bottom: 16px;
  opacity: 0.3;
}

.empty-state h3 {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.empty-state p {
  font-size: 0.875rem;
  margin: 0;
}

.policy-editor {
  background: var(--bg-primary);
  border: var(--border-width) solid var(--border);
  border-radius: var(--radius-sm);
  padding: 20px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--text-primary);
  min-height: 400px;
  width: 100%;
  resize: vertical;
  outline: none;
  box-shadow: inset 3px 3px 0 var(--border);
  transition: box-shadow var(--transition-fast);
}

.policy-editor:focus {
  box-shadow: inset 3px 3px 0 var(--accent);
  border-color: var(--accent);
}

.settings-section {
  background: var(--surface);
  border: var(--border-thick) solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  padding: 28px;
  margin-bottom: 24px;
}


.settings-section-title {
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 4px;
}

.settings-section-desc {
  font-size: 0.8125rem;
  color: var(--text-tertiary);
  margin-bottom: 20px;
  font-weight: 500;
}

.color-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
}

.color-control {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px;
  background: var(--bg-primary);
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
}

.color-control label {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--text-secondary);
  flex: 1;
}

.color-control input[type="color"] {
  width: 40px;
  height: 40px;
  border: var(--border-width) solid var(--border);
  border-radius: var(--radius-sm);
  padding: 3px;
  cursor: pointer;
  background: var(--surface);
  box-shadow: 2px 2px 0 var(--border);
}

.color-control input[type="color"]::-webkit-color-swatch-wrapper { padding: 0; }
.color-control input[type="color"]::-webkit-color-swatch { border: none; border-radius: 2px; }

.theme-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 12px;
}

.theme-card {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  background: var(--bg-primary);
  border: var(--border-width) solid var(--border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  font-family: inherit;
  font-weight: 700;
  font-size: 0.8125rem;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  transition: all var(--transition-fast);
}

.theme-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-md);
  background: var(--accent-bg);
}

.theme-card:active {
  transform: translate(1px, 1px);
  box-shadow: var(--shadow-active);
}

.theme-card-swatch {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  border: 2.5px solid;
  flex-shrink: 0;
  box-shadow: 2px 2px 0 rgba(0,0,0,0.1);
}

.theme-card-name {
  white-space: nowrap;
}

.skeleton {
  background: repeating-linear-gradient(90deg, var(--bg-tertiary) 0%, var(--yellow-bg) 40%, var(--bg-tertiary) 80%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.spinner {
  width: 20px;
  height: 20px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.htmx-indicator { display: none; }
.htmx-request .htmx-indicator { display: inline-flex; }
.htmx-request .htmx-hide-on-request { display: none; }

.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(26, 26, 46, 0.5);
  z-index: 99;
}

.sidebar-overlay.active { display: block; }

.actions-menu {
  position: relative;
  display: inline-flex;
}

.actions-dropdown {
  position: absolute;
  right: 0;
  top: 100%;
  margin-top: 4px;
  background: var(--surface);
  border: var(--border-thick) solid var(--border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  min-width: 180px;
  z-index: 50;
  padding: 6px;
  display: none;
}

.actions-dropdown.open {
  display: block;
  animation: dropdownPop 0.15s ease-out;
}

@keyframes dropdownPop {
  from { opacity: 0; transform: translateY(-4px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.actions-dropdown button {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 8px 12px;
  border: 2px solid transparent;
  background: none;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.8125rem;
  font-weight: 700;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.actions-dropdown button:hover {
  background: var(--accent-bg);
  border-color: var(--border);
  box-shadow: 2px 2px 0 var(--border);
  transform: translate(-1px, -1px);
}

.actions-dropdown button.danger:hover {
  background: var(--red-bg);
  color: var(--danger);
}

.actions-dropdown button svg {
  width: 16px;
  height: 16px;
}

.settings-result {
  padding: 14px 16px;
  border: var(--border-width) solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 10px;
  animation: slideDown 0.3s ease-out;
  margin-top: 16px;
}

.settings-result.success {
  background: var(--green-bg);
  color: var(--success);
  box-shadow: 3px 3px 0 var(--success);
}

.settings-result.error {
  background: var(--red-bg);
  color: var(--danger);
  box-shadow: 3px 3px 0 var(--danger);
}

.error-banner {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  background: var(--red-bg);
  color: var(--danger);
  border: var(--border-thick) solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: 4px 4px 0 var(--danger);
  margin-bottom: 24px;
  font-weight: 700;
  font-size: 0.875rem;
  animation: slideDown 0.3s ease-out;
}

.error-banner svg { flex-shrink: 0; }
.error-banner .btn { margin-left: auto; flex-shrink: 0; }

.node-detail-grid {
  display: flex;
  flex-direction: column;
}

.pane-grid {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 28px;
  align-items: start;
}

.columns-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.detail-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: 10px 0;
  border-bottom: 2px solid var(--border);
  gap: 16px;
}

.detail-row:last-child { border-bottom: none; }

.detail-label {
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  min-width: 130px;
  flex-shrink: 0;
}

.detail-value {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-primary);
  text-align: right;
  word-break: break-all;
}

.text-mono {
  font-family: 'JetBrains Mono', 'Courier New', monospace;
  font-size: 0.8125rem;
  padding: 2px 6px;
  background: var(--bg-secondary);
  border-radius: 3px;
  border: 1px solid var(--border);
}

.text-muted { color: var(--text-tertiary); }
.text-danger { color: var(--danger); }
.text-success { color: var(--success); }

.mt-2 { margin-top: 8px; }
.mt-4 { margin-top: 16px; }
.mt-6 { margin-top: 24px; }
.mb-2 { margin-bottom: 8px; }
.mb-4 { margin-bottom: 16px; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg-primary); border-left: 2px solid var(--border); }
::-webkit-scrollbar-thumb { background: var(--text-tertiary); border: 2px solid var(--border); border-radius: 0; }
::-webkit-scrollbar-thumb:hover { background: var(--text-secondary); }

@media (max-width: 1024px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .main-area { margin-left: 0; }
  .mobile-menu-btn { display: flex; }


  .pane-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .columns-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .topbar { padding: 12px 16px; }
  .topbar-title { font-size: 1.125rem; }

  .theme-dropdown-btn { padding: 6px 10px; font-size: 0.75rem; }
  .theme-dropdown-label { min-width: 50px; }
  .theme-dropdown-menu { right: -8px; min-width: 280px; }

  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .stat-card { padding: 20px; }

  .page-header { flex-direction: column; align-items: flex-start; gap: 16px; }
  .settings-section { padding: 20px; }

  .theme-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
  .theme-card { padding: 10px 12px; font-size: 0.75rem; }
  .theme-card-swatch { width: 24px; height: 24px; }

  .table-card-header { flex-direction: column; align-items: flex-start; gap: 12px; }
  .setup-card { padding: 32px 20px; }


  .form-input, .form-select { font-size: 0.9375rem; padding: 12px 16px; }
  .btn { padding: 10px 20px; font-size: 0.8125rem; }
  .btn-lg { padding: 12px 24px; font-size: 0.875rem; }
}

@media (max-width: 640px) {
  html, body { overflow-x: hidden; max-width: 100vw; }
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }

  .stats-grid { grid-template-columns: 1fr; gap: 10px; }
  .stat-card { padding: 16px; }

  .topbar { padding: 10px 12px; }
  .topbar-title { font-size: 1rem; }
  .mobile-menu-btn { width: 36px; height: 36px; padding: 8px; }

  .theme-dropdown-btn { padding: 5px 8px; gap: 6px; font-size: 0.6875rem; }
  .theme-dropdown-btn svg:first-child { display: none; }
  .theme-dropdown-label { min-width: 40px; }
  .theme-dropdown-chevron { width: 10px !important; height: 10px !important; }
  .theme-dropdown-menu { min-width: 240px; max-width: calc(100vw - 32px); }
  .theme-option { padding: 6px 10px; gap: 8px; font-size: 0.75rem; }
  .theme-swatch { width: 18px; height: 18px; }

  .page-header-info h2 { font-size: 1.5rem; }
  .page-header-info p { font-size: 0.8125rem; }
  .content { padding: 16px; }

  .table-card { overflow: visible; }
  .table-wrapper { margin: 0; padding: 12px; padding-bottom: 24px; overflow: visible; }

  table { display: block; width: 100%; }
  thead { display: none; }
  tbody { display: block; width: 100%; }

  tbody tr {
    display: block;
    width: 100%;
    margin-bottom: 16px;
    background: var(--surface);
    border: var(--border-width) solid var(--border);
    border-radius: var(--radius-sm);
    padding: 12px;
    box-shadow: var(--shadow-sm);
  }

  tbody tr:hover { box-shadow: var(--shadow-md); }

  td {
    display: block;
    width: 100%;
    padding: 8px 0;
    border: none;
    border-bottom: 1px solid var(--border);
    text-align: left !important;
    white-space: normal;
    word-break: break-word;
  }

  td:first-child { padding-top: 0; }
  td:last-child { border-bottom: none; padding-bottom: 0; }

  td::before {
    content: attr(data-cell) ": ";
    font-weight: 800;
    color: var(--text-tertiary);
    text-transform: uppercase;
    font-size: 0.6875rem;
    letter-spacing: 0.04em;
    display: block;
    margin-bottom: 4px;
  }

  .btn-sm { padding: 4px 8px; font-size: 0.6875rem; }
  .badge { padding: 3px 7px; font-size: 0.6875rem; gap: 4px; }
  .badge-dot { width: 5px; height: 5px; }

  .theme-grid { grid-template-columns: 1fr; }
  .settings-section { padding: 16px; }
  .settings-section-title { font-size: 1rem; }

  .modal { width: 100%; margin: 0; max-height: calc(100vh - 40px); }
  .modal-body { padding: 20px; }
  .modal-footer { gap: 8px; }
  .btn-group { justify-content: center; gap: 12px; }

  .form-group { margin-bottom: 16px; }
  .form-label { font-size: 0.75rem; }
  .form-input, .form-select { font-size: 0.875rem; padding: 10px 14px; }

  .setup-card { padding: 32px 24px; }
  .sidebar-brand { font-size: 1.25rem; }

  .detail-row { flex-direction: column; align-items: flex-start; gap: 4px; }
  .detail-label { min-width: auto; }
  .detail-value { text-align: left; }
}

@media (max-width: 480px) {
  html { font-size: 15px; }

  .topbar { padding: 8px 12px; }
  .topbar-title { font-size: 0.9375rem; }
  .theme-dropdown-label { display: none; }
  .theme-dropdown-btn svg:first-child { display: block; width: 18px; height: 18px; }

  .content { padding: 12px; }
  .page-header { margin-bottom: 16px; }
  .stat-card { padding: 14px; }

  .setup-card { padding: 24px 20px; }
  .setup-logo h1 { font-size: 1.5rem; }
  .setup-wrapper::before, .setup-wrapper::after { display: none; }

  th, td { padding: 8px 10px; }
  .badge { padding: 3px 8px; font-size: 0.6875rem; }
  .settings-section { padding: 14px; }
  .theme-card { padding: 8px 10px; }
  .theme-card-swatch { width: 20px; height: 20px; }
  .btn { padding: 8px 16px; font-size: 0.75rem; }
  .btn svg { width: 14px; height: 14px; }
}