:root {
  font-family: var(--font-sans);
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica,
    Arial, sans-serif;
  --font-mono: SFMono-Regular, Menlo, Monaco, Consolas, 'Liberation Mono', 'Courier New',
    monospace;
  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-lg: 32px;
  --shadow-soft: 0 10px 35px rgba(0, 0, 0, 0.08);
  --shadow-strong: 0 20px 60px rgba(0, 0, 0, 0.12);
}

:root[data-theme='light'] {
  color-scheme: light;
  --bg-primary: #ffffff;
  --bg-elevated: #f5f7fa;
  --bg-hero: linear-gradient(135deg, #ffffff 0%, #eff9ff 70%);
  --text-primary: #11181c;
  --text-muted: #4f5b66;
  --accent: #0a7ea4;
  --accent-soft: rgba(10, 126, 164, 0.12);
  --border: rgba(17, 24, 28, 0.08);
}

:root[data-theme='dark'] {
  color-scheme: dark;
  --bg-primary: #151718;
  --bg-elevated: #1e2123;
  --bg-hero: linear-gradient(135deg, #1b1d1f 0%, #0f2b36 80%);
  --text-primary: #ecedee;
  --text-muted: #adb5bd;
  --accent: #ffffff;
  --accent-soft: rgba(255, 255, 255, 0.15);
  --border: rgba(255, 255, 255, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
}

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

.header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(18px);
  background: color-mix(in srgb, var(--bg-primary) 85%, transparent);
  border-bottom: 1px solid var(--border);
}

.inner-header {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.25rem clamp(1.5rem, 4vw, 2.5rem);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  position: relative;
}

.brand::before {
  content: '';
  background-image: url('assets/images/favicon.ico');
  background-size: contain;
  background-repeat: no-repeat;
  width: 2em;
  height: 2em;
  display: inline-block;
  margin-right: 0.5rem;
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-link {
  text-decoration: none;
  color: inherit;
  display: inline-block;
}

.brand span {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.brand strong {
  font-size: 1.1rem;
  letter-spacing: 0.08em;
}

.nav {
  display: flex;
  gap: 1.5rem;
  font-size: 0.95rem;
  margin-left: auto;
}

.nav a {
  color: var(--text-muted);
  transition: color 0.2s ease;
}

.nav a:hover {
  color: var(--text-primary);
}

.theme-toggle {
  margin-left: auto;
}

.theme-button {
  width: 42px;
  height: 42px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg-primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-primary);
  transition: background 0.2s ease, border-color 0.2s ease;
}

.theme-button:hover {
  background: var(--bg-elevated);
}

.theme-icon {
  width: 22px;
  height: 22px;
  transform: translate(-2px, 1px);
}

main {
  max-width: 1200px;
  margin: 0 auto;
  padding: clamp(2rem, 4vw, 3.5rem) clamp(1.5rem, 4vw, 2.5rem) 5rem;
}

.hero {
  background: var(--bg-hero);
  border-radius: var(--radius-lg);
  padding: clamp(2.5rem, 5vw, 4.5rem);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  box-shadow: var(--shadow-soft);
  border: 1px solid var(--border);
}

.hero h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin: 0 0 1rem;
}

.hero p {
  color: var(--text-muted);
  margin-bottom: 1.25rem;
}

.hero ul {
  padding-left: 1.25rem;
  color: var(--text-muted);
}

.store-links {
  margin-top: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.store-link {
  border-radius: 12px;
  border: 1px solid var(--border);
  padding: 0.75rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.85rem;
  min-width: 200px;
  background: var(--bg-primary);
  text-decoration: none;
  box-shadow: var(--shadow-soft);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.store-link:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-strong);
}

.store-link__icon {
  font-size: 1.75rem;
  line-height: 1;
}

.store-link__icon svg {
  width: 1.75rem;
  height: 1.75rem;
  display: block;
}

.store-link div {
  display: flex;
  flex-direction: column;
}

.store-link__label {
  font-size: 0.8rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.store-link__store {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-primary);
}

.hero-card {
  background: var(--bg-primary);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-soft);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.2rem 0.75rem;
  border-radius: 999px;
  font-size: 0.8rem;
  background: var(--accent-soft);
  color: var(--accent);
}

.beta-tag {
  display: inline-flex;
  align-items: center;
  padding: 0.05rem 0.45rem;
  border-radius: 999px;
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  background: color-mix(in srgb, var(--accent) 15%, transparent);
  color: var(--accent);
  border: 1px solid color-mix(in srgb, var(--accent) 35%, transparent);
  margin-left: 0.4rem;
}

.beta-tag--inline {
  margin-left: 0.6rem;
}

section {
  margin-top: clamp(3rem, 5vw, 4.5rem);
}

section header {
  margin-bottom: 1.5rem;
}

section header h2 {
  margin: 0;
  font-size: clamp(1.75rem, 3vw, 2.4rem);
}

section header p {
  color: var(--text-muted);
  margin: 0.5rem 0 0;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
}

.card {
  background: var(--bg-elevated);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-soft);
}

.card h3 {
  margin: 0 0 0.75rem;
}

.card p {
  margin: 0;
  color: var(--text-muted);
}

.dual-column {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.list {
  padding-left: 1.1rem;
  margin: 0;
  color: var(--text-muted);
}

.cta {
  background: var(--bg-hero);
  border-radius: var(--radius-lg);
  padding: clamp(2rem, 4vw, 3.5rem);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-strong);
  text-align: center;
}

.cta h2 {
  margin-top: 0;
}

.button-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.85rem 1.75rem;
  border-radius: 999px;
  border: none;
  background: var(--accent);
  color: var(--bg-primary);
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.button-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-soft);
}

.flashy {
  font-weight: 700;
  font-size: 1.25em;
  color: var(--accent);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.feature-icon {
  margin-right: 0.5rem;
  font-size: 1.2em;
}

.privacy-preview {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  background: var(--bg-elevated);
  padding: 2rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
}

.privacy-preview a {
  color: var(--accent);
  font-weight: 600;
}

footer {
  border-top: 1px solid var(--border);
  padding: 2rem clamp(1.5rem, 4vw, 2.5rem);
  background: var(--bg-elevated);
}

footer .footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

footer nav {
  display: flex;
  gap: 1.5rem;
}

.tagline {
  font-size: 0.95rem;
  color: var(--text-muted);
}

@media (max-width: 720px) {
  .nav {
    display: none;
  }

  .hero {
    grid-template-columns: 1fr;
  }

  .cta {
    text-align: left;
  }
}

/* Utility page */
.utility-main {
  max-width: 1200px;
  margin: 0 auto;
  padding: clamp(2rem, 4vw, 3.5rem) clamp(1.5rem, 4vw, 2.5rem) 5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.tool-hero {
  gap: 1.5rem;
}

.utility-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1rem 0;
}

.button-secondary,
.button-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.8rem 1.3rem;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--bg-primary);
  color: var(--text-primary);
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}

.button-ghost {
  background: transparent;
}

.button-secondary:hover,
.button-ghost:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-soft);
}

.button-ghost.small {
  padding: 0.55rem 0.95rem;
  font-size: 0.9rem;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 0.9rem;
  margin: 0 0 1rem;
}

.stat-grid dt {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.stat-grid dd {
  margin: 0;
  font-size: 1.2rem;
  font-weight: 700;
}

.validation-summary {
  border: 1px dashed var(--border);
  border-radius: var(--radius-md);
  padding: 0.9rem 1rem;
  background: var(--bg-elevated);
  min-height: 110px;
}

.pill-row {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 0.5rem;
}

.issue-list {
  padding-left: 1.1rem;
  margin: 0 0 0.5rem;
  color: var(--text-muted);
}

.entity-grid {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.entity-panel {
  background: var(--bg-elevated);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-soft);
}

.entity-header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: flex-start;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.entity-actions {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.entity-list {
  display: grid;
  gap: 0.75rem;
}

.entity-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 0.75rem 0.9rem;
  background: var(--bg-primary);
  box-shadow: var(--shadow-soft);
}

.entity-card summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  gap: 0.5rem;
}

.entity-card[open] summary {
  margin-bottom: 0.75rem;
}

.entity-card summary::-webkit-details-marker {
  display: none;
}

.card-title {
  font-weight: 700;
}

.card-subtitle {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.issue-badges {
  display: flex;
  gap: 0.4rem;
}

.field-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.75rem;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.form-label {
  font-size: 0.95rem;
  color: var(--text-primary);
}

.form-label .required {
  color: #d92d20;
  margin-left: 0.25rem;
}

.input,
.checkbox {
  font: inherit;
}

.input {
  width: 100%;
  padding: 0.65rem 0.75rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text-primary);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.input:focus {
  outline: none;
  border-color: color-mix(in srgb, var(--accent) 70%, transparent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.checkbox-field {
  flex-direction: row;
  align-items: center;
  gap: 0.5rem;
}

.checkbox {
  width: 1.1rem;
  height: 1.1rem;
}

.card-actions {
  display: flex;
  justify-content: flex-end;
  margin-top: 0.75rem;
}

.empty-state {
  padding: 1rem;
  border: 1px dashed var(--border);
  border-radius: var(--radius-md);
  color: var(--text-muted);
}

.add-row {
  margin-top: 0.75rem;
  display: flex;
  justify-content: flex-end;
}

.reference-card {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.reference-header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.entity-tabs {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.tabs-header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  align-items: flex-end;
}

.tab-nav {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 0.4rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--bg-elevated);
}

.tab-button {
  border: none;
  background: transparent;
  color: var(--text-muted);
  padding: 0.55rem 1.1rem;
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}

.tab-button.active {
  background: var(--bg-primary);
  color: var(--text-primary);
  box-shadow: var(--shadow-soft);
}

.tab-panels {
  display: grid;
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

.chip-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 0.75rem 1.25rem;
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.chip {
  padding: 0.35rem 0.65rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  font-size: 0.9rem;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin: 0 0 0.15rem;
}

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

.tiny {
  font-size: 0.85rem;
}

.utility-note {
  margin-top: 1rem;
  padding: 0.85rem 1rem;
  border-radius: 12px;
  border: 1px solid color-mix(in srgb, var(--accent) 30%, var(--border));
  background: color-mix(in srgb, var(--accent) 12%, var(--bg-primary));
  color: var(--text-primary);
  font-size: 0.9rem;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.65rem;
  border-radius: 999px;
  font-size: 0.9rem;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg-primary) 70%, transparent);
  color: var(--text-primary);
}

:root {
  --pill-error: #ff6b6b;
  --pill-warning: #f4b740;
  --pill-success: #2ec27e;
}

.pill.error {
  color: #d92d20;
  background: color-mix(in srgb, #d92d20 15%, var(--bg-primary));
  border-color: color-mix(in srgb, #d92d20 35%, var(--bg-primary));
}

.pill.warning {
  color: #ad6800;
  background: color-mix(in srgb, #f4b740 18%, var(--bg-primary));
  border-color: color-mix(in srgb, #f4b740 40%, var(--bg-primary));
}

.pill.success {
  color: #15803d;
  background: color-mix(in srgb, #12b76a 16%, var(--bg-primary));
  border-color: color-mix(in srgb, #12b76a 38%, var(--bg-primary));
}

.pill.neutral {
  color: var(--text-muted);
}

.entity-card.has-error {
  border-color: color-mix(in srgb, var(--pill-error) 60%, transparent);
}

.entity-card.has-warning {
  border-color: color-mix(in srgb, var(--pill-warning) 50%, transparent);
}

@media (max-width: 768px) {
  .utility-toolbar {
    flex-direction: column;
    align-items: flex-start;
  }

  .field-grid {
    grid-template-columns: 1fr;
  }
}