:root,
[data-theme="light"] {
  --text-xs: clamp(0.75rem, 0.7rem + 0.2vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.82rem + 0.25vw, 1rem);
  --text-base: clamp(1rem, 0.96rem + 0.25vw, 1.1rem);
  --text-lg: clamp(1.2rem, 1rem + 0.7vw, 1.5rem);
  --text-xl: clamp(2.2rem, 1.6rem + 2vw, 4.4rem);

  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;

  --color-bg: #f9f3f5;
  --color-surface: #fffafc;
  --color-surface-2: #f5e8ed;
  --color-border: #e2cfd6;
  --color-text: #24181d;
  --color-text-muted: #7b6971;
  --color-primary: #a12962;
  --color-primary-hover: #821e4d;
  --color-primary-soft: rgba(161, 41, 98, 0.1);
  --color-inverse: #fff8fb;

  --radius-md: 1rem;
  --radius-lg: 1.5rem;
  --radius-full: 999px;

  --shadow-sm: 0 4px 14px rgba(36, 24, 29, 0.08);
  --shadow-lg: 0 20px 50px rgba(36, 24, 29, 0.12);

  --font-body: 'General Sans', Arial, sans-serif;
  --font-display: 'Boska', Georgia, serif;
}

[data-theme="dark"] {
  --color-bg: #170f13;
  --color-surface: #23161c;
  --color-surface-2: #2d1c24;
  --color-border: #4a323c;
  --color-text: #f7ebef;
  --color-text-muted: #c6aeb7;
  --color-primary: #f17ead;
  --color-primary-hover: #ff9fc2;
  --color-primary-soft: rgba(241, 126, 173, 0.12);
  --color-inverse: #1f1117;

  --shadow-sm: 0 4px 14px rgba(0, 0, 0, 0.25);
  --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.4);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background:
    radial-gradient(circle at top, rgba(161, 41, 98, 0.14), transparent 26%),
    linear-gradient(180deg, var(--color-bg), var(--color-surface-2));
}
button { font: inherit; }
a { color: inherit; text-decoration: none; }
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}
.skip-link {
  position: absolute;
  left: 1rem;
  top: -3rem;
  background: var(--color-primary);
  color: var(--color-inverse);
  padding: 0.8rem 1rem;
  border-radius: var(--radius-md);
}
.skip-link:focus { top: 1rem; }
.container {
  width: min(760px, calc(100% - 1.5rem));
  margin: 0 auto;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 5;
  backdrop-filter: blur(14px);
  background: rgba(249, 243, 245, 0.74);
  border-bottom: 1px solid rgba(36, 24, 29, 0.08);
}
[data-theme="dark"] .site-header { background: rgba(23, 15, 19, 0.8); }
.header-inner {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
}
.brand strong,
.brand small { display: block; }
.brand-logo {
  width: 2.9rem;
  height: 2.9rem;
  color: var(--color-primary);
}
.theme-toggle {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: 1px solid rgba(36, 24, 29, 0.12);
  background: var(--color-surface);
  color: var(--color-text);
  cursor: pointer;
}
.hero {
  min-height: calc(100vh - 78px);
  display: grid;
  place-items: center;
  padding: var(--space-10) 0;
}
.hero-box {
  background: rgba(255, 250, 252, 0.78);
  border: 1px solid rgba(36, 24, 29, 0.08);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: clamp(1.5rem, 4vw, 3rem);
}
[data-theme="dark"] .hero-box { background: rgba(35, 22, 28, 0.82); }
.eyebrow,
.result-badge {
  display: inline-flex;
  width: fit-content;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: var(--text-xs);
  font-weight: 700;
}
.eyebrow {
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}
h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--text-xl);
  line-height: 0.95;
}
.hero-text {
  margin: var(--space-5) 0 0;
  color: var(--color-text-muted);
  max-width: 58ch;
}
.controls {
  display: grid;
  gap: var(--space-4);
  margin-top: var(--space-8);
}
.mode-switch {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}
.mode-btn,
.ghost-button,
.main-button {
  min-height: 48px;
  border-radius: var(--radius-full);
  padding: 0.9rem 1.2rem;
  cursor: pointer;
  transition: 180ms ease;
}
.mode-btn,
.ghost-button {
  border: 1px solid rgba(36, 24, 29, 0.12);
  background: transparent;
  color: var(--color-text);
}
.mode-btn.is-active,
.mode-btn:hover,
.ghost-button:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-soft);
  color: var(--color-primary);
}
.main-button {
  border: 0;
  background: var(--color-primary);
  color: var(--color-inverse);
  font-weight: 700;
}
.main-button:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
}
.result-card {
  margin-top: var(--space-8);
  padding: var(--space-6);
  background: var(--color-surface);
  border: 1px solid rgba(36, 24, 29, 0.08);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}
.result-badge {
  padding: 0.45rem 0.7rem;
  border-radius: var(--radius-full);
  background: var(--color-primary-soft);
  color: var(--color-primary);
}
.result-text {
  margin: var(--space-4) 0 0;
  font-size: var(--text-lg);
  line-height: 1.35;
}
.secondary-actions {
  margin-top: var(--space-5);
}

@media (max-width: 640px) {
  .container { width: min(100% - 1rem, 760px); }
  .hero { padding: var(--space-6) 0; }
  .result-text { font-size: 1.3rem; }
}