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

:root {
  --bg: #F7FAFD;
  --muted: #EBF2FA;
  --card: #FFFFFF;
  --fg: #0D1F35;
  --muted-fg: #5A7A9A;
  --border: #D6E4F0;
  --accent-border: rgba(20, 120, 200, 0.25);
  --accent: #1478C8;
  --accent-2: #2878DC;
  --accent-light: rgba(20, 120, 200, 0.08);
  --success: #11875D;
  --success-light: rgba(17, 135, 93, 0.08);
  --warning: #C57A11;
  --warning-light: rgba(197, 122, 17, 0.12);
  --danger: #C64545;
  --danger-light: rgba(198, 69, 69, 0.08);
  --shadow-sm: 0 1px 3px rgba(20, 80, 160, 0.07);
  --shadow-md: 0 4px 16px rgba(20, 80, 160, 0.10);
  --shadow-lg: 0 12px 40px rgba(20, 80, 160, 0.14);
  --shadow-accent: 0 6px 24px rgba(20, 120, 200, 0.28);
  --radius: 16px;
  --radius-sm: 12px;
  --max-page-width: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: light;
}

body {
  position: relative;
  min-height: 100vh;
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: 'Inter', sans-serif;
  line-height: 1.6;
}

body::before,
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

body::before {
  background:
    radial-gradient(ellipse 80% 50% at 10% 20%, rgba(20, 120, 200, 0.06) 0%, transparent 60%),
    radial-gradient(ellipse 60% 60% at 90% 80%, rgba(40, 120, 220, 0.05) 0%, transparent 55%);
}

body::after {
  background-image: radial-gradient(circle, rgba(20, 120, 200, 0.12) 1px, transparent 1px);
  background-size: 32px 32px;
  opacity: 0.6;
}

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

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

button {
  cursor: pointer;
}

img {
  max-width: 100%;
  display: block;
}

.page-shell {
  position: relative;
  z-index: 1;
  width: min(calc(100% - 32px), var(--max-page-width));
  margin: 0 auto;
  padding: 40px 0 56px;
  animation: fadeUp 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.page-stack {
  display: grid;
  gap: 24px;
}

.site-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 22px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow-sm);
}

.brand-block {
  display: grid;
  gap: 8px;
}

.brand-kicker,
.mono-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
}

.brand-title {
  margin: 0;
  font-family: 'Calistoga', serif;
  font-size: clamp(2.2rem, 4vw, 3.5rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.gradient-text {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.brand-copy,
.section-copy,
.muted-text {
  color: var(--muted-fg);
}

.page-grid {
  display: grid;
  gap: 24px;
}

.page-grid.two-column {
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
}

.panel,
.card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--card);
  box-shadow: var(--shadow-md);
}

.panel {
  padding: 24px;
}

.panel-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
}

.panel-title,
.section-title {
  margin: 0;
  font-size: 1.25rem;
  line-height: 1.25;
}

.section-heading {
  display: grid;
  gap: 6px;
  margin-bottom: 18px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  width: fit-content;
  padding: 4px 10px;
  border: 1px solid var(--accent-border);
  border-radius: 999px;
  background: var(--accent-light);
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
}

.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: var(--accent);
  animation: pulse 2s infinite;
}

.chip-row,
.button-row,
.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid transparent;
  border-radius: 999px;
  background: transparent;
  color: var(--fg);
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease,
    border-color 0.2s ease,
    background-color 0.2s ease,
    color 0.2s ease;
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-2px);
}

.btn:focus-visible,
.input:focus,
.select:focus,
.textarea:focus,
.tab-button:focus-visible,
.card-link:focus-visible {
  outline: 2px solid rgba(20, 120, 200, 0.25);
  outline-offset: 2px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  box-shadow: var(--shadow-accent);
}

.btn-secondary {
  border-color: var(--border);
  background: var(--muted);
}

.btn-ghost {
  border-color: var(--accent-border);
  background: rgba(255, 255, 255, 0.68);
  color: var(--accent);
}

.btn-danger {
  border-color: rgba(198, 69, 69, 0.24);
  background: var(--danger-light);
  color: var(--danger);
}

.btn-warning {
  border-color: rgba(197, 122, 17, 0.24);
  background: var(--warning-light);
  color: var(--warning);
}

.btn-success {
  border-color: rgba(17, 135, 93, 0.22);
  background: var(--success-light);
  color: var(--success);
}

.btn-small {
  min-height: 36px;
  padding: 0 14px;
  font-size: 0.95rem;
}

.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.input,
.select,
.textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: #fff;
  color: var(--fg);
  padding: 12px 14px;
  box-shadow: inset 0 1px 2px rgba(20, 80, 160, 0.03);
}

.textarea {
  min-height: 120px;
  resize: vertical;
}

.field,
.field-row {
  display: grid;
  gap: 8px;
}

.field-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.field-label {
  font-weight: 600;
}

.field-help {
  font-size: 0.92rem;
  color: var(--muted-fg);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.card-link {
  display: grid;
  gap: 16px;
  height: 100%;
  padding: 22px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(247, 250, 253, 0.98));
  box-shadow: var(--shadow-sm);
  transition:
    transform 0.3s cubic-bezier(0.16, 1, 0.3, 1),
    box-shadow 0.3s cubic-bezier(0.16, 1, 0.3, 1),
    border-color 0.3s ease;
}

.card-link:hover,
.card-link:focus-visible {
  transform: translateY(-6px);
  box-shadow: var(--shadow-accent);
  border-color: var(--accent-border);
}

.icon-box {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  font-size: 1.4rem;
}

.alert {
  padding: 16px 18px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: var(--muted);
}

.alert[data-tone="success"] {
  border-color: rgba(17, 135, 93, 0.2);
  background: var(--success-light);
  color: var(--success);
}

.alert[data-tone="warning"] {
  border-color: rgba(197, 122, 17, 0.2);
  background: var(--warning-light);
  color: var(--warning);
}

.alert[data-tone="danger"] {
  border-color: rgba(198, 69, 69, 0.2);
  background: var(--danger-light);
  color: var(--danger);
}

.alert[data-tone="info"] {
  border-color: var(--accent-border);
  background: var(--accent-light);
  color: var(--accent);
}

.hidden {
  display: none !important;
}

.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
  margin: 8px 0;
}

.status-list,
.list {
  margin: 0;
  padding-left: 20px;
}

.table-shell {
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: var(--shadow-sm);
}

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

.data-table th,
.data-table td {
  padding: 14px 16px;
  border-bottom: 1px solid rgba(214, 228, 240, 0.8);
  text-align: left;
  vertical-align: top;
}

.data-table th {
  background: var(--muted);
  font-weight: 600;
}

.data-table tbody tr:hover {
  background: rgba(20, 120, 200, 0.03);
}

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

.tab-button {
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.85);
  color: var(--muted-fg);
  padding: 10px 16px;
  transition: all 0.2s ease;
}

.tab-button.is-active {
  border-color: var(--accent-border);
  background: var(--accent-light);
  color: var(--accent);
}

.tab-panel[hidden] {
  display: none !important;
}

.footer-note {
  padding-top: 12px;
  text-align: center;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--muted-fg);
  opacity: 0.7;
}

.modal-root {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(13, 31, 53, 0.42);
}

.modal-card {
  width: min(860px, 100%);
  max-height: min(88vh, 860px);
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: 24px;
  background: #fff;
  padding: 24px;
  box-shadow: var(--shadow-lg);
}

.empty-state {
  padding: 36px 20px;
  text-align: center;
  color: var(--muted-fg);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {
  0%,
  100% {
    opacity: 0.6;
    transform: scale(1);
  }

  50% {
    opacity: 1;
    transform: scale(1.3);
  }
}

@media (max-width: 920px) {
  .page-grid.two-column {
    grid-template-columns: 1fr;
  }

  .site-header {
    flex-direction: column;
    align-items: stretch;
  }
}

@media (max-width: 520px) {
  .page-shell {
    width: min(calc(100% - 20px), var(--max-page-width));
    padding: 24px 0 40px;
  }

  .brand-title {
    font-size: 2.2rem;
  }

  .panel,
  .card-link,
  .modal-card {
    padding: 18px;
  }

  .button-row,
  .toolbar {
    width: 100%;
  }

  .button-row .btn,
  .toolbar .btn {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .badge-dot {
    animation: none;
  }
}