:root {
  --font-sans: Inter, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --color-bg: #f6f8fb;
  --color-bg-muted: #eef3f9;
  --color-surface: rgba(255, 255, 255, 0.86);
  --color-surface-strong: #ffffff;
  --color-surface-soft: #f2f7ff;
  --color-overlay: rgba(15, 23, 42, 0.38);
  --color-border: rgba(15, 23, 42, 0.1);
  --color-border-strong: rgba(37, 99, 235, 0.36);
  --color-text: #172033;
  --color-text-muted: #667085;
  --color-text-soft: #98a2b3;
  --color-text-inverse: #ffffff;
  --color-primary: #2563eb;
  --color-primary-hover: #1d4ed8;
  --color-primary-soft: rgba(37, 99, 235, 0.1);
  --color-secondary: #7c3aed;
  --color-secondary-soft: rgba(124, 58, 237, 0.1);
  --color-success: #16a34a;
  --color-success-soft: rgba(22, 163, 74, 0.11);
  --color-warning: #d97706;
  --color-warning-soft: rgba(217, 119, 6, 0.12);
  --color-danger: #dc2626;
  --color-danger-soft: rgba(220, 38, 38, 0.1);
  --focus-ring: rgba(37, 99, 235, 0.16);
  --shadow-sm: 0 10px 24px rgba(15, 23, 42, 0.07);
  --shadow-md: 0 18px 42px rgba(15, 23, 42, 0.11);
  --shadow-lg: 0 24px 70px rgba(15, 23, 42, 0.14);
  --radius-xs: 8px;
  --radius-sm: 10px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --content-width: calc(100% - 48px);
  --bs-body-bg: var(--color-bg);
  --bs-body-color: var(--color-text);
  --bs-border-color: var(--color-border);
  --bs-primary-rgb: 37, 99, 235;
  --bs-danger-rgb: 220, 38, 38;
  --bs-success-rgb: 22, 163, 74;
}

:root[data-theme='dark'],
body[data-theme='dark'],
.theme-dark {
  --color-bg: #0b1120;
  --color-bg-muted: #111827;
  --color-surface: rgba(17, 24, 39, 0.86);
  --color-surface-strong: #172033;
  --color-surface-soft: rgba(37, 99, 235, 0.13);
  --color-overlay: rgba(2, 6, 23, 0.64);
  --color-border: rgba(148, 163, 184, 0.17);
  --color-border-strong: rgba(96, 165, 250, 0.36);
  --color-text: #e5e7eb;
  --color-text-muted: #a1a1aa;
  --color-text-soft: #71717a;
  --color-primary: #60a5fa;
  --color-primary-hover: #3b82f6;
  --color-primary-soft: rgba(96, 165, 250, 0.14);
  --color-secondary: #a78bfa;
  --color-secondary-soft: rgba(167, 139, 250, 0.14);
  --color-success: #4ade80;
  --color-success-soft: rgba(74, 222, 128, 0.12);
  --color-warning: #fbbf24;
  --color-warning-soft: rgba(251, 191, 36, 0.13);
  --color-danger: #f87171;
  --color-danger-soft: rgba(248, 113, 113, 0.13);
  --focus-ring: rgba(96, 165, 250, 0.18);
  --shadow-sm: 0 10px 28px rgba(0, 0, 0, 0.26);
  --shadow-md: 0 18px 48px rgba(0, 0, 0, 0.32);
  --shadow-lg: 0 24px 76px rgba(0, 0, 0, 0.4);
  color-scheme: dark;
}

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

html {
  color-scheme: light;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-sans);
  color: var(--color-text);
  background:
    radial-gradient(circle at top left, var(--color-primary-soft), transparent 34%),
    radial-gradient(circle at top right, var(--color-secondary-soft), transparent 30%),
    linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-muted) 100%);
}

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

button,
input,
select,
textarea {
  font: inherit;
}

.page-shell {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  width: 100%;
  margin: 0;
  padding: 0;
}

.dashboard-layout {
  display: flex;
  flex: 1;
  overflow: hidden;
}

.sidebar,
.panel,
.card,
.metric-card,
.form-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow-sm);
}

.sidebar {
  width: 248px;
  min-width: 248px;
  height: 100vh;

  border-width: 0 1px 0 0;
  border-radius: 0;
  overflow-y: auto;
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: var(--color-text-inverse);
  font-weight: 700;
  box-shadow: 0 12px 24px var(--color-primary-soft);
}

.brand-copy strong,
.section-title,
.card-title {
  display: block;
  font-weight: 700;
  margin-bottom: 1rem;
}

.brand-copy span,
.section-copy,
.muted,
.field-label,
.field-help {
  color: var(--color-text-muted);
}

.nav-list {
  display: grid;
  gap: var(--space-1);
  padding: 0;
  margin: 0;
  list-style: none;
}

.nav-heading {
  padding: var(--space-4) var(--space-3) var(--space-2);
  color: var(--color-text-soft);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  transition:
    background 0.18s ease,
    color 0.18s ease,
    box-shadow 0.18s ease,
    transform 0.18s ease;
}

.nav-list .nav-link {
  padding: 10px 12px;
  border-left: 0;
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
}

.nav-link:hover,
.nav-link.is-active {
  color: var(--color-text);
  background: var(--color-primary-soft);
}

.nav-list .nav-link:hover,
.nav-list .nav-link.is-active {
  color: var(--color-primary);
  background: var(--color-primary-soft);
  border-left: 0;
}

.nav-link.is-active {
  color: var(--color-primary);
  font-weight: 700;
  box-shadow: inset 3px 0 0 var(--color-primary);
}

.content {
  flex: 1;
  height: 100vh;
  padding: var(--space-6);
  overflow-y: auto;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  height: 64px;
  padding: 0 var(--space-6);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow-sm);
  z-index: 10;
}

.title-block h1,
.hero-title,
.card-value {
  margin: 0;
}

.title-block h1 {
  font-size: clamp(26px, 3vw, 36px);
  line-height: 1.1;
}

.topbar-actions,
.hero-actions,
.button-row,
.inline-fields {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.hero {
  display: grid;
  gap: var(--space-6);
  grid-template-columns: minmax(0, 1.4fr) minmax(280px, 0.8fr);
  padding: var(--space-6);
}

.hero-copy {
  display: grid;
  gap: var(--space-4);
}

.hero-title {
  font-size: clamp(32px, 4vw, 48px);
  line-height: 1.05;
}

.hero-text {
  max-width: 640px;
  margin: 0;
  color: var(--color-text-muted);
  font-size: 17px;
  line-height: 1.6;
}

.hero-panel {
  display: grid;
  gap: var(--space-4);
  align-content: start;
}

.grid-3,
.grid-2,
.stats-grid {
  display: grid;
  gap: var(--space-6);
}

.grid-3,
.stats-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

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

.metric-card {
  padding: var(--space-5);
}

.metric-label {
  margin-bottom: var(--space-3);
  color: var(--color-text-muted);
  font-size: 14px;
}

.card-value {
  font-size: 32px;
  font-weight: 700;
}

.trend {
  margin-top: var(--space-3);
  font-size: 14px;
  color: var(--color-success);
}

.card,
.form-card {
  padding: var(--space-5);
}

.card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.card-title {
  margin-bottom: var(--space-2);
  font-size: 20px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: var(--color-surface-soft);
  color: var(--color-text);
  font-size: 13px;
  font-weight: 600;
}

.badge.is-success {
  color: var(--color-success);
  border-color: var(--color-success-soft);
  background: var(--color-success-soft);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 42px;
  padding: 0 16px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition:
    background 0.18s ease,
    border-color 0.18s ease,
    color 0.18s ease,
    box-shadow 0.18s ease,
    transform 0.18s ease;
  font-weight: 600;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  color: var(--color-text-inverse);
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  box-shadow: 0 12px 28px var(--color-primary-soft);
}

.btn-primary:hover {
  color: var(--color-text-inverse);
  background: linear-gradient(135deg, var(--color-primary-hover), var(--color-secondary));
}

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

.btn-ghost {
  color: var(--color-text-muted);
  background: transparent;
  border-color: var(--color-border);
}

.btn-sm {
  min-height: 40px;
  padding: 0 14px;
  font-size: 14px;
}

.form-grid {
  display: grid;
  gap: var(--space-5);
}

.field {
  display: grid;
  gap: var(--space-2);
}

.field-label {
  font-size: 14px;
  font-weight: 600;
}

.input,
.select,
.textarea {
  width: 100%;
  min-height: 44px;
  padding: 0 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  background: var(--color-surface-strong);
  outline: none;
  transition:
    background 0.18s ease,
    border-color 0.18s ease,
    box-shadow 0.18s ease;
}

.textarea {
  min-height: 124px;
  padding: 14px 16px;
  resize: vertical;
}

.input::placeholder,
.textarea::placeholder {
  color: var(--color-text-soft);
}

.input:focus,
.select:focus,
.textarea:focus {
  border-color: var(--color-border-strong);
  box-shadow: 0 0 0 4px var(--focus-ring);
}

.field-help {
  font-size: 13px;
  line-height: 1.5;
}

.page-shell:has(> form.form-card) {
  align-items: center;
  justify-content: center;
  padding: var(--space-8) var(--space-6);
}

.page-shell:has(> form.form-card)::before {
  content: 'AI';
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  margin-bottom: var(--space-6);
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: var(--color-text-inverse);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.04em;
  box-shadow: 0 14px 32px var(--color-primary-soft);
}

.page-shell:has(> form.form-card) .card-title {
  margin-bottom: var(--space-2);
  font-size: clamp(1.375rem, 4vw, 1.75rem);
  font-weight: 750;
  letter-spacing: -0.03em;
  text-align: center;
}

.page-shell:has(> form.form-card) .card-subtitle {
  margin: 0 0 var(--space-8);
  max-width: 22rem;
  color: var(--color-text-muted);
  font-size: 15px;
  line-height: 1.55;
  text-align: center;
}

.page-shell:has(> form.form-card) .form-card {
  position: relative;
  width: min(100%, 440px);
  padding: var(--space-8);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.page-shell:has(> form.form-card) .form-card::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
}

.page-shell:has(> form.form-card) .form-grid {
  gap: var(--space-6);
}

.page-shell:has(> form.form-card) .field-label {
  color: var(--color-text);
}

.page-shell:has(> form.form-card) .input {
  min-height: 46px;
  padding: 0 16px;
  background: var(--color-bg-muted);
}

.page-shell:has(> form.form-card) .input:focus {
  background: var(--color-surface-strong);
}

.page-shell:has(> form.form-card) .btn-primary {
  width: 100%;
  min-height: 46px;
  margin-top: var(--space-2);
  font-size: 15px;
}

.page-shell:has(> form.form-card) .form-card .surface-warning {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  margin: 0;
  padding: var(--space-4);
  border: 1px solid var(--color-danger-soft);
  border-radius: var(--radius-sm);
  background: var(--color-danger-soft);
  color: var(--color-danger);
  font-size: 14px;
  line-height: 1.5;
}

.page-shell:has(> form.form-card) .form-card .surface-warning svg {
  flex-shrink: 0;
  margin-top: 2px;
}

.list {
  display: grid;
  gap: var(--space-4);
  padding: 0;
  margin: 0;
  list-style: none;
}

.list-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: 16px 18px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface-strong);
}

.list-item strong {
  display: block;
  margin-bottom: 6px;
}

.swatches {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.swatch {
  padding: var(--space-4);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  min-height: 110px;
  display: grid;
  align-content: space-between;
}

.swatch code {
  color: inherit;
  opacity: 0.9;
}

.surface-light {
  color: var(--color-text);
  background: var(--color-surface-soft);
}

.surface-primary {
  background: var(--color-primary);
}

.surface-secondary {
  background: var(--color-secondary);
}

.surface-success {
  background: var(--color-success);
}

.surface-warning {
  color: var(--color-text);
  background: var(--color-warning);
}

.tokens {
  display: grid;
  gap: var(--space-3);
}

.token-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: 14px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface-strong);
}

.token-row code {
  color: var(--color-primary);
}

.content > div {
  padding: var(--space-5);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow-sm);
}

h1,
h2,
h3,
h4,
h5,
h6 {
  color: var(--color-text);
}

h2 {
  margin: 0;
  font-size: 24px;
  font-weight: 750;
}

.text-muted {
  color: var(--color-text-muted) !important;
}

.table-responsive {
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface-strong);
}

.table {
  --bs-table-bg: transparent;
  --bs-table-color: var(--color-text);
  --bs-table-border-color: var(--color-border);
  --bs-table-striped-bg: var(--color-surface-soft);
  --bs-table-hover-bg: var(--color-primary-soft);
  margin-bottom: 0;
  color: var(--color-text);
}

.table thead th {
  padding: 13px 16px;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg-muted);
  color: var(--color-text-muted);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.table tbody td {
  padding: var(--space-2);
  vertical-align: middle;
}
td.actions {
  display: flex;
}
.table-light thead {
  background: transparent;
}

.form-control,
.form-select {
  min-height: 42px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background-color: var(--color-surface-strong);
  color: var(--color-text);
  transition:
    border-color 0.18s ease,
    box-shadow 0.18s ease,
    background 0.18s ease;
}

.form-control::placeholder {
  color: var(--color-text-soft);
}

.form-control:focus,
.form-select:focus {
  border-color: var(--color-border-strong);
  background-color: var(--color-surface-strong);
  color: var(--color-text);
  box-shadow: 0 0 0 4px var(--focus-ring);
}

.form-label {
  color: var(--color-text-muted);
  font-size: 13px;
  font-weight: 700;
}

.form-select option {
  background: var(--color-surface-strong);
  color: var(--color-text);
}

.modal {
  background: var(--color-overlay) !important;
}

.modal-content {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface-strong);
  color: var(--color-text);
  box-shadow: var(--shadow-lg);
}

.modal-header,
.modal-footer {
  border-color: var(--color-border);
  background: var(--color-bg-muted);
}

.modal-title {
  color: var(--color-text);
  font-weight: 750;
}

.btn-close {
  opacity: 0.6;
}

.theme-dark .btn-close,
body[data-theme='dark'] .btn-close,
:root[data-theme='dark'] .btn-close {
  filter: invert(1) grayscale(100%) brightness(200%);
}

.btn-close:hover {
  opacity: 1;
}

.btn-outline-primary {
  border-color: var(--color-border-strong);
  color: var(--color-primary);
  background: transparent;
}

.btn-outline-primary:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-primary-soft);
}

.btn-outline-danger {
  border-color: var(--color-danger-soft);
  color: var(--color-danger);
  background: transparent;
}

.btn-outline-danger:hover {
  border-color: var(--color-danger);
  color: var(--color-danger);
  background: var(--color-danger-soft);
}

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

.btn-outline-secondary:hover,
.btn-secondary:hover {
  border-color: var(--color-border-strong);
  color: var(--color-text);
  background: var(--color-surface-soft);
}

.alert-danger {
  border-color: var(--color-danger-soft);
  border-radius: var(--radius-sm);
  background: var(--color-danger-soft);
  color: var(--color-danger);
}

.spinner-border {
  color: var(--color-primary);
}

@media (max-width: 1080px) {
  .hero,
  .grid-3,
  .grid-2,
  .stats-grid,
  .swatches {
    grid-template-columns: 1fr;
  }

  .dashboard-layout {
    flex-direction: column;
  }

  .sidebar {
    width: 100%;
    min-width: 0;
    height: auto;
    border-width: 0 0 1px;
  }

  .nav-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-1);
  }

  .nav-heading {
    display: none;
  }
}

@media (max-width: 720px) {
  .topbar {
    padding: 0 var(--space-4);
  }

  .content {
    padding: var(--space-4);
  }

  .hero,
  .card,
  .form-card,
  .metric-card,
  .sidebar {
    padding: var(--space-5);
  }
}