:root {
  --lc-ink: #0b0f14;
  --lc-ink-2: #344055;
  --lc-muted: #5a677c;
  --lc-bg: #f7f8fc;
  --lc-card: #ffffff;
  --lc-card-2: #f6f7fb;
  --lc-border: rgba(20, 27, 38, 0.14);
  --lc-shadow: 0 18px 50px rgba(10, 15, 20, 0.12);
  --lc-radius: 18px;
  --lc-focus: rgba(25, 114, 106, 0.3);
  --lc-danger: rgb(185, 28, 28);

  --lc-primary: #19726a;
  --lc-primary-2: #0ea5a0;
  --lc-accent: #f4b400;
  --lc-accent-2: #ffe29a;

  --lc-container: 1120px;
  --lc-font-sans: "Work Sans", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  --lc-font-serif: "Fraunces", ui-serif, Georgia, serif;
}

:root[data-theme="dark"] {
  --lc-ink: #eef3ff;
  --lc-ink-2: #c8d2ee;
  --lc-muted: #97a6c9;
  --lc-bg: #070a10;
  --lc-card: rgba(255, 255, 255, 0.06);
  --lc-card-2: rgba(255, 255, 255, 0.08);
  --lc-border: rgba(255, 255, 255, 0.16);
  --lc-shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
  --lc-focus: rgba(125, 211, 252, 0.35);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: var(--lc-font-sans);
  color: var(--lc-ink);
  background:
    radial-gradient(1200px 700px at 20% -10%, rgba(25, 114, 106, 0.12), transparent 55%),
    radial-gradient(900px 600px at 110% 30%, rgba(244, 180, 0, 0.1), transparent 50%),
    var(--lc-bg);
  line-height: 1.5;
}

img { max-width: 100%; height: auto; }
a { color: inherit; text-decoration-color: rgba(25, 114, 106, 0.5); }
a:hover { text-decoration-color: rgba(25, 114, 106, 0.9); }
code { font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace; font-size: 0.95em; }

.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;
}

.skip-link {
  position: absolute;
  left: 0.75rem;
  top: 0.75rem;
  padding: 0.6rem 0.85rem;
  background: var(--lc-card);
  border: 1px solid var(--lc-border);
  border-radius: 999px;
  box-shadow: var(--lc-shadow);
  transform: translateY(-160%);
  transition: transform 0.2s ease;
  z-index: 50;
}
.skip-link:focus { transform: translateY(0); outline: none; box-shadow: 0 0 0 5px var(--lc-focus), var(--lc-shadow); }

.container {
  width: min(var(--lc-container), calc(100% - 2rem));
  margin: 0 auto;
}

.main { padding-bottom: 2.5rem; }
.section { padding: 2.5rem 0; }
.small { font-size: 0.92rem; }
.muted { color: var(--lc-muted); }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  border: 1px solid var(--lc-border);
  background: var(--lc-card);
  font-weight: 600;
  font-size: 0.85rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(12px);
  background: rgba(255, 255, 255, 0.65);
  border-bottom: 1px solid var(--lc-border);
}
:root[data-theme="dark"] .site-header {
  background: rgba(7, 10, 16, 0.65);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 0;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  font-weight: 700;
}
.brand-name { letter-spacing: -0.02em; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.9rem;
}
.nav-links a {
  text-decoration: none;
  padding: 0.5rem 0.65rem;
  border-radius: 999px;
  color: var(--lc-ink-2);
}
.nav-links a.active,
.nav-links a:hover {
  background: var(--lc-card);
  border: 1px solid var(--lc-border);
  color: var(--lc-ink);
}

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

.menu-toggle,
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.55rem 0.75rem;
  border-radius: 999px;
  border: 1px solid var(--lc-border);
  background: var(--lc-card);
  color: var(--lc-ink);
  cursor: pointer;
}

.menu-toggle svg { width: 20px; height: 20px; }
.menu-toggle { display: none; }
.theme-toggle-label { font-weight: 600; font-size: 0.95rem; }

.menu-toggle:focus-visible,
.theme-toggle:focus-visible,
.button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: none;
  box-shadow: 0 0 0 5px var(--lc-focus);
}

.hero { padding: 2.75rem 0 1.5rem; }
.hero-inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2rem;
  align-items: start;
}
.hero-copy h1 {
  font-family: var(--lc-font-serif);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
  font-size: clamp(2.1rem, 3vw, 3rem);
  margin: 0.75rem 0 0.75rem;
}
.cta-row { margin-top: 1.25rem; }

.hero-card {
  border: 1px solid var(--lc-border);
  border-radius: var(--lc-radius);
  background: var(--lc-card);
  box-shadow: var(--lc-shadow);
  padding: 1.25rem;
}
.hero-card-title { font-weight: 700; }
.hero-card-sub { color: var(--lc-muted); margin-top: 0.2rem; }
.hero-card-metric { margin-top: 1.15rem; display: flex; align-items: baseline; gap: 0.6rem; }
.metric-num { font-weight: 800; font-size: 2.1rem; letter-spacing: -0.03em; }
.metric-label { color: var(--lc-muted); }

.generator-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  align-items: start;
}

.panel {
  border: 1px solid var(--lc-border);
  border-radius: var(--lc-radius);
  background: var(--lc-card);
  box-shadow: var(--lc-shadow);
  padding: 1.25rem;
}

.panel h2 { margin: 0 0 0.35rem; font-size: 1.25rem; }
.preview-panel { position: sticky; top: 5.5rem; }
.preview-head { margin-bottom: 0.9rem; }

.form { margin-top: 1.1rem; display: grid; gap: 1rem; }
.field label { display: block; font-weight: 600; margin-bottom: 0.3rem; }
.help { margin: 0.35rem 0 0; }
.field input,
.field textarea,
.share-url {
  width: 100%;
  padding: 0.75rem 0.85rem;
  border-radius: 12px;
  border: 1px solid var(--lc-border);
  background: var(--lc-card-2);
  color: var(--lc-ink);
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.fieldset {
  border: 1px solid var(--lc-border);
  border-radius: 14px;
  padding: 0.85rem;
}
.fieldset legend { padding: 0 0.35rem; font-weight: 700; }

.option-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
  margin-top: 0.65rem;
}
.option-grid.palettes { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.option-card {
  display: grid;
  gap: 0.2rem;
  border: 1px solid var(--lc-border);
  border-radius: 14px;
  background: var(--lc-card-2);
  padding: 0.8rem;
  cursor: pointer;
}
.option-card input { margin: 0 0 0.35rem; }
.option-title { font-weight: 700; }
.swatch {
  width: 100%;
  height: 10px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--swatch-a), var(--swatch-b));
  border: 1px solid var(--lc-border);
  margin: 0.2rem 0 0.35rem;
}
.swatch[data-swatch="teal"] { --swatch-a: #19726a; --swatch-b: #f4b400; }
.swatch[data-swatch="plum"] { --swatch-a: #6a33b8; --swatch-b: #ffb3d9; }
.swatch[data-swatch="sunset"] { --swatch-a: #ff5c3a; --swatch-b: #ffd36b; }
.swatch[data-swatch="slate"] { --swatch-a: #2552d8; --swatch-b: #9fb6ff; }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.72rem 1rem;
  border-radius: 999px;
  border: 1px solid var(--lc-border);
  background: var(--lc-card);
  color: var(--lc-ink);
  text-decoration: none;
  cursor: pointer;
  font-weight: 700;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.button.primary {
  background: linear-gradient(135deg, var(--lc-primary), var(--lc-primary-2));
  border-color: transparent;
  color: #fff;
}
.button.secondary { background: transparent; }
.button:hover { transform: translateY(-1px); box-shadow: var(--lc-shadow); }

.share-panel {
  border-top: 1px dashed var(--lc-border);
  padding-top: 1rem;
}
.share-row {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 0.75rem;
  align-items: center;
}

.error-summary {
  border: 1px solid rgba(220, 38, 38, 0.4);
  background: rgba(220, 38, 38, 0.08);
  border-radius: 14px;
  padding: 0.9rem;
}
.error-summary a { font-weight: 700; }

.field-error { color: var(--lc-danger); }

.preview-surface {
  border-radius: calc(var(--lc-radius) + 6px);
  overflow: hidden;
  border: 1px solid var(--lc-border);
  background: var(--lc-bg);
  min-height: 520px;
}

.landing-frame { min-height: 70vh; }
.landing-host { padding: 2.5rem 0; }

.lc-root {
  min-height: 520px;
  padding: clamp(1.25rem, 2.2vw, 2.25rem);
  color: var(--lc-ink);
}

.lc-root[data-pal="teal"] {
  --lc-primary: #19726a;
  --lc-primary-2: #0ea5a0;
  --lc-accent: #f4b400;
  --lc-accent-2: #ffe29a;
}
.lc-root[data-pal="plum"] {
  --lc-primary: #6a33b8;
  --lc-primary-2: #9a6df0;
  --lc-accent: #ffb3d9;
  --lc-accent-2: #ffe0f0;
}
.lc-root[data-pal="sunset"] {
  --lc-primary: #ff5c3a;
  --lc-primary-2: #ff8d4c;
  --lc-accent: #ffd36b;
  --lc-accent-2: #fff0c2;
}
.lc-root[data-pal="slate"] {
  --lc-primary: #2552d8;
  --lc-primary-2: #5f86ff;
  --lc-accent: #9fb6ff;
  --lc-accent-2: #dbe4ff;
}

.lc-root[data-tpl="minimal"] .lc-shell { max-width: 860px; margin: 0 auto; }
.lc-root[data-tpl="bold"] .lc-shell {
  max-width: 960px;
  margin: 0 auto;
  border-radius: calc(var(--lc-radius) + 10px);
  border: 1px solid rgba(255, 255, 255, 0.18);
  background:
    radial-gradient(900px 500px at 10% -10%, rgba(255, 255, 255, 0.16), transparent 55%),
    linear-gradient(135deg, rgba(0, 0, 0, 0.1), rgba(255, 255, 255, 0.04));
  box-shadow: 0 26px 80px rgba(0, 0, 0, 0.35);
  padding: clamp(1.25rem, 2.6vw, 2.5rem);
}

.lc-root[data-tpl="elegant"] .lc-shell {
  max-width: 920px;
  margin: 0 auto;
  border-radius: calc(var(--lc-radius) + 8px);
  border: 1px solid rgba(255, 255, 255, 0.16);
  background:
    radial-gradient(750px 380px at 85% 0%, rgba(255, 255, 255, 0.12), transparent 60%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(0, 0, 0, 0));
  padding: clamp(1.25rem, 2.4vw, 2.3rem);
}

.lc-shell {
  border-radius: var(--lc-radius);
  background:
    radial-gradient(900px 520px at 15% 0%, rgba(25, 114, 106, 0.35), transparent 60%),
    radial-gradient(700px 420px at 110% 20%, rgba(244, 180, 0, 0.28), transparent 55%),
    rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.16);
  overflow: hidden;
}

.lc-head {
  display: grid;
  gap: 0.6rem;
  padding: 1.25rem;
}
.lc-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  color: var(--lc-ink-2);
}
.lc-title {
  font-family: var(--lc-font-serif);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin: 0;
  font-size: clamp(2rem, 3.2vw, 3.1rem);
}
.lc-date { margin: 0; color: var(--lc-ink-2); }
.lc-desc { margin: 0; color: var(--lc-muted); max-width: 60ch; }

.lc-countdown {
  padding: 0 1.25rem 1.2rem;
}
.lc-time-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.75rem;
  padding: 0;
  margin: 0;
  list-style: none;
}
.lc-time-card {
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.07);
  padding: 0.85rem;
  display: grid;
  gap: 0.15rem;
}
.lc-time-value { font-weight: 800; font-size: 1.8rem; letter-spacing: -0.03em; }
.lc-time-label { color: var(--lc-muted); font-weight: 600; }

.lc-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  margin-top: 1rem;
}

.lc-cta { margin-top: 0.8rem; }

.lc-expired {
  margin-top: 0.95rem;
  padding: 0.85rem;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.06);
}

.lc-share,
.lc-signup {
  padding: 1.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}
.lc-share h2,
.lc-signup h2 { margin: 0 0 0.4rem; font-size: 1.1rem; }

.lc-share-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 0.85rem;
}
.share-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 0.85rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.06);
  text-decoration: none;
  font-weight: 700;
}
.share-pill:hover { background: rgba(255, 255, 255, 0.1); }

.signup-form {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.75rem;
  margin-top: 0.9rem;
  align-items: start;
}
.signup-form input {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.18);
}
.signup-note { margin-top: 0.55rem; }

.toast {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  max-width: 340px;
  border: 1px solid var(--lc-border);
  border-radius: 14px;
  background: var(--lc-card);
  box-shadow: var(--lc-shadow);
  padding: 0.85rem;
  z-index: 60;
}
.toast strong { display: block; }
.toast-actions { margin-top: 0.65rem; display: flex; gap: 0.5rem; flex-wrap: wrap; }

.site-footer { padding: 2rem 0; border-top: 1px solid var(--lc-border); background: rgba(255, 255, 255, 0.45); }
:root[data-theme="dark"] .site-footer { background: rgba(7, 10, 16, 0.45); }
.footer-inner { display: flex; justify-content: space-between; gap: 1rem; align-items: center; }

@media (max-width: 980px) {
  .hero-inner { grid-template-columns: 1fr; }
  .generator-grid { grid-template-columns: 1fr; }
  .preview-panel { position: static; }
  .split { grid-template-columns: 1fr; }
  .option-grid { grid-template-columns: 1fr; }
  .option-grid.palettes { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  .menu-toggle { display: inline-flex; }
  .nav-links {
    position: absolute;
    right: 1rem;
    top: 4.25rem;
    flex-direction: column;
    align-items: stretch;
    padding: 0.75rem;
    background: var(--lc-card);
    border: 1px solid var(--lc-border);
    border-radius: var(--lc-radius);
    box-shadow: var(--lc-shadow);
    display: none;
    min-width: 220px;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 0.7rem 0.85rem; }
  .share-row { grid-template-columns: 1fr; }
  .preview-surface { min-height: 440px; }
  .lc-time-grid { grid-template-columns: 1fr 1fr; }
  .signup-form { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; transition: none !important; }
  .button:hover { transform: none; box-shadow: none; }
}