/* HanName — design tokens from ui-ux-pro-max (minimal single-column, learning indigo) */

:root {
  --color-primary: #4f46e5;
  --color-primary-hover: #4338ca;
  --color-on-primary: #ffffff;
  --color-secondary: #818cf8;
  --color-accent: #16a34a;
  --color-background: #eef2ff;
  --color-foreground: #312e81;
  --color-fg-body: #475569;
  --color-muted: #64748b;
  --color-border: #c7d2fe;
  --color-surface: #ffffff;
  --color-surface-muted: #ebeef8;
  --color-ring: #4f46e5;
  --shadow-sm: 0 1px 2px rgba(49, 46, 129, 0.06);
  --shadow-md: 0 4px 20px rgba(49, 46, 129, 0.08);
  --shadow-lg: 0 12px 40px rgba(49, 46, 129, 0.1);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --font-sans: "DM Sans", "Noto Sans SC", system-ui, sans-serif;
}

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

html {
  scroll-padding-top: 4.75rem;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--color-fg-body);
  position: relative;
  line-height: 1.55;
  background: linear-gradient(165deg, #f8fafc 0%, var(--color-background) 45%, #e0e7ff 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.14;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

body > * {
  position: relative;
  z-index: 1;
}

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--color-ring);
  outline-offset: 2px;
}

.top-nav {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(12px);
  background: rgba(255, 255, 255, 0.88);
  border-bottom: 1px solid var(--color-border);
}

.nav-inner {
  max-width: min(1100px, 100%);
  margin: 0 auto;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  box-sizing: border-box;
}

.brand {
  text-decoration: none;
  color: var(--color-foreground);
  font-weight: 700;
  font-size: 1.0625rem;
  letter-spacing: -0.02em;
  cursor: pointer;
  transition: color 0.2s var(--ease-out);
}

.brand:hover {
  color: var(--color-primary);
}

.nav-links {
  display: flex;
  gap: 18px;
}

.nav-links a {
  text-decoration: none;
  color: var(--color-muted);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: color 0.2s var(--ease-out);
}

.nav-links a:hover {
  color: var(--color-foreground);
}

.nav-cta {
  text-decoration: none;
  color: var(--color-on-primary);
  background: var(--color-primary);
  border-radius: var(--radius-sm);
  padding: 9px 14px;
  font-size: 0.8125rem;
  font-weight: 600;
  border: 1px solid transparent;
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transition: background 0.2s var(--ease-out), transform 0.2s var(--ease-out), box-shadow 0.2s var(--ease-out);
}

.nav-cta:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.hero {
  text-align: left;
  max-width: min(1100px, 100%);
  margin: 0 auto;
  padding: 32px 16px 28px;
  box-sizing: border-box;
}

.hero-badge {
  display: inline-block;
  padding: 6px 11px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-primary);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 14px 0 12px;
  font-size: clamp(2rem, 6vw, 3rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--color-foreground);
  font-weight: 700;
}

.hero-lead {
  margin: 0;
  max-width: 52rem;
  color: var(--color-fg-body);
  font-size: clamp(0.9375rem, 1.5vw, 1.0625rem);
  line-height: 1.6;
  text-wrap: pretty;
  hyphens: none;
}

.container {
  max-width: min(1100px, 100%);
  margin: 0 auto 40px;
  padding: 0 16px;
  display: grid;
  gap: 20px;
  box-sizing: border-box;
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-md);
}

.card h2 {
  margin: 0;
  font-size: 1.375rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-foreground);
}

.section-tip {
  margin: 8px 0 18px;
  color: var(--color-muted);
  font-size: 0.875rem;
}

.form-card {
  padding: 24px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.form-card .grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.form-card .label-span-full,
.form-section-rule,
.form-section-label {
  grid-column: 1 / -1;
}

.form-section-rule {
  height: 0;
  margin: 6px 0 2px;
  border: 0;
  border-top: 1px solid var(--color-border);
}

.form-section-label {
  margin: 0;
  padding: 0 2px;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.label-method .method-hint {
  margin: 10px 0 0;
  padding: 10px 0 0;
  border: 0;
  border-radius: 0;
  border-top: 1px solid rgba(199, 210, 254, 0.9);
  background: transparent;
  font-size: 0.75rem;
  color: var(--color-muted);
  line-height: 1.55;
}

.method-hint strong {
  color: var(--color-foreground);
  font-weight: 600;
}

.method-hint em {
  font-style: normal;
  font-weight: 600;
  color: var(--color-primary);
}

label {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 12px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface-muted);
  color: var(--color-foreground);
  font-size: 0.8125rem;
  font-weight: 600;
}

.hidden {
  display: none;
}

select,
input,
button {
  font: inherit;
}

select,
input {
  border: 1px solid #cbd5f5;
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  background: var(--color-surface);
  color: var(--color-fg-body);
  font-size: 0.875rem;
  transition: border-color 0.2s var(--ease-out), box-shadow 0.2s var(--ease-out);
}

select:focus,
input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.2);
}

.actions {
  margin-top: 20px;
  display: flex;
  gap: 12px;
  padding-top: 4px;
}

button {
  border: 0;
  border-radius: var(--radius-md);
  padding: 12px 18px;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.9375rem;
  transition: transform 0.2s var(--ease-out), box-shadow 0.2s var(--ease-out), background 0.2s var(--ease-out);
}

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

button[type="submit"] {
  flex: 1;
  color: var(--color-on-primary);
  background: var(--color-primary);
  border: 1px solid var(--color-primary-hover);
  box-shadow: 0 8px 24px rgba(79, 70, 229, 0.35);
}

button[type="submit"]:hover {
  background: var(--color-primary-hover);
}

#regenerate {
  flex: 1;
  color: var(--color-foreground);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
}

#regenerate:hover {
  background: var(--color-surface-muted);
}

.results-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--color-border);
}

#status {
  color: var(--color-muted);
  font-size: 0.8125rem;
  max-width: 260px;
  text-align: right;
}

.empty-state {
  margin-top: 16px;
  padding: 18px;
  border-radius: var(--radius-md);
  border: 1px dashed var(--color-secondary);
  background: rgba(238, 242, 255, 0.6);
}

.empty-state h3 {
  margin: 0 0 8px;
  color: var(--color-foreground);
  font-size: 1.0625rem;
}

.empty-state p {
  margin: 0 0 12px;
  color: var(--color-muted);
  font-size: 0.875rem;
}

.empty-state ul {
  margin: 0;
  padding-left: 1.1rem;
  display: grid;
  gap: 4px;
  color: var(--color-fg-body);
  font-size: 0.875rem;
}

.sample-grid {
  margin-bottom: 12px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.sample-card {
  padding: 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
}

.sample-card h4 {
  margin: 0 0 6px;
  color: var(--color-foreground);
  font-size: 0.9375rem;
  font-weight: 600;
}

.sample-card h4 span {
  margin-left: 6px;
  color: var(--color-muted);
  font-size: 0.75rem;
  font-weight: 500;
}

.sample-card p {
  margin: 0;
  font-size: 0.8125rem;
  color: var(--color-fg-body);
}

.results {
  margin-top: 16px;
  display: grid;
  gap: 14px;
}

.name-card {
  padding: 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
}

.name-card.top-pick {
  border-color: var(--color-secondary);
  background: linear-gradient(180deg, #eef2ff 0%, #ffffff 100%);
  box-shadow: var(--shadow-md);
}

.name-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.name-top h3 {
  margin: 0;
  color: var(--color-foreground);
  font-size: 1.125rem;
  font-weight: 700;
}

.name-card p {
  margin: 6px 0;
  color: var(--color-fg-body);
  font-size: 0.875rem;
  line-height: 1.55;
}

.tag {
  display: inline-block;
  border-radius: 6px;
  padding: 4px 9px;
  background: var(--color-surface-muted);
  color: var(--color-foreground);
  font-size: 0.75rem;
  font-weight: 500;
}

.tag.top {
  margin-right: 6px;
  background: #dbeafe;
  color: #1e40af;
}

.copy-btn {
  background: var(--color-surface);
  color: var(--color-foreground);
  font-size: 0.8125rem;
  padding: 8px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background 0.2s var(--ease-out), border-color 0.2s var(--ease-out);
}

.copy-btn:hover {
  background: var(--color-surface-muted);
  border-color: var(--color-primary);
}

.site-facts {
  max-width: min(1100px, calc(100% - 32px));
  margin: 0 auto 24px;
  padding: 0;
  box-sizing: border-box;
}

.site-facts-inner {
  max-width: min(42rem, 100%);
  border-left: 3px solid var(--color-secondary);
  padding: 10px 0 10px 16px;
  background: transparent;
}

.site-facts-inner p {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.875rem;
  line-height: 1.55;
  text-wrap: pretty;
}

.site-facts-inner p + p {
  margin-top: 0.5rem;
}

.faq {
  max-width: min(1100px, calc(100% - 32px));
  margin: 0 auto 24px;
  padding: 22px 24px;
  box-sizing: border-box;
}

.faq h2 {
  margin-bottom: 14px;
  color: var(--color-foreground);
}

.faq details {
  margin-bottom: 8px;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
}

.faq summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--color-foreground);
  font-size: 0.9375rem;
}

.faq p {
  margin: 8px 0 0;
  color: var(--color-muted);
  font-size: 0.875rem;
}

.footer {
  text-align: left;
  color: var(--color-muted);
  max-width: min(1100px, 100%);
  margin: 0 auto;
  padding: 12px 16px 32px;
  font-size: 0.8125rem;
  box-sizing: border-box;
}

.footer-disclaimer {
  margin: 0 0 10px;
}

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.footer-legal a {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 500;
}

.footer-legal a:hover {
  text-decoration: underline;
}

.footer-sep {
  color: var(--color-muted);
  user-select: none;
}

/* Legal subpages */
body.legal-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

body.legal-page main {
  flex: 1;
  max-width: min(42rem, 100%);
  margin: 0 auto;
  padding: 24px 16px 48px;
  box-sizing: border-box;
}

.legal-back {
  display: inline-block;
  margin-bottom: 20px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-primary);
  text-decoration: none;
}

.legal-back:hover {
  text-decoration: underline;
}

.legal-page h1 {
  margin: 0 0 12px;
  font-size: 1.5rem;
  color: var(--color-foreground);
}

.legal-page .legal-updated {
  margin: 0 0 20px;
  font-size: 0.8125rem;
  color: var(--color-muted);
}

.legal-page section {
  margin-bottom: 1.25rem;
}

.legal-page h2 {
  margin: 0 0 8px;
  font-size: 1rem;
  color: var(--color-foreground);
}

.legal-page p,
.legal-page ul {
  margin: 0 0 8px;
  font-size: 0.9375rem;
  color: var(--color-fg-body);
  line-height: 1.6;
}

.legal-page ul {
  padding-left: 1.2rem;
}

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

  button:hover,
  .nav-cta:hover {
    transform: none;
  }
}

@media (max-width: 900px) {
  .nav-links {
    display: none;
  }

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

  #status {
    max-width: none;
    text-align: left;
  }
}

@media (max-width: 700px) {
  .actions {
    flex-direction: column;
  }

  .grid,
  .form-card .grid {
    grid-template-columns: 1fr;
  }

  .results-header {
    flex-direction: column;
    align-items: flex-start;
  }

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