:root {
  color-scheme: light;
  --primary: #ff5e1f;
  --primary-hover: #e5480a;
  --accent: #ff7038;
  --background: #ffffff;
  --surface: #f0f0f0;
  --surface-soft: #fdfdfc;
  --border: #e4e4e4;
  --text: #262626;
  --muted: #666666;
  --success: #147d52;
  --danger: #b42318;
  --display: "FT Kunst Grotesk", "Arial Narrow", Arial, sans-serif;
  --mono: "Apercu Mono Pro", "SFMono-Regular", Consolas, monospace;
  --radius-sm: 1px;
  --radius-md: 2px;
  --radius-lg: 3px;
  --radius-xl: 4px;
  --radius-pill: 9999px;
  --shadow-card: 0 4px 60px rgba(255, 80, 10, 0.06), 0 2px 12px rgba(0, 0, 0, 0.03);
  --duration-fast: 100ms;
  --duration-base: 200ms;
  --ease: cubic-bezier(0.19, 1, 0.22, 1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  background: var(--background);
  color: var(--text);
  font-family: var(--display);
  font-size: 14px;
  letter-spacing: -0.14px;
  line-height: 1.15;
  -webkit-font-smoothing: antialiased;
}

button,
input {
  font: inherit;
}

button {
  color: inherit;
}

.page-shell {
  width: min(1280px, calc(100% - 64px));
  margin: 0 auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  border-bottom: 1px solid var(--border);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: -0.2px;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 32px;
  height: 32px;
  place-items: center;
  border-radius: var(--radius-md);
  background: var(--primary);
  color: #ffffff;
}

.brand-mark svg {
  width: 18px;
  stroke: currentColor;
  stroke-width: 1.8;
}

.brand-muted {
  color: #8a8a8a;
}

.privacy-pill,
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  background: var(--background);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0;
  text-transform: uppercase;
}

.privacy-pill {
  padding: 8px 12px;
}

.privacy-dot,
.status-badge span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--success);
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 32px;
  color: var(--primary-hover);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0;
  line-height: 1.5;
  text-transform: uppercase;
}

.eyebrow span {
  color: #929292;
}

.generator-card {
  overflow: hidden;
  margin-top: 60px;
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  background: var(--surface-soft);
  box-shadow: var(--shadow-card);
}

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

.input-panel,
.output-panel {
  min-width: 0;
  padding: 48px;
}

.input-panel {
  border-right: 1px solid var(--border);
  background: var(--background);
}

.output-panel {
  display: flex;
  flex-direction: column;
  background: var(--surface-soft);
}

.section-label {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 40px;
}

.section-label .step {
  display: grid;
  flex: 0 0 auto;
  width: 28px;
  height: 28px;
  place-items: center;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--primary-hover);
  font-family: var(--mono);
  font-size: 10px;
}

.section-label h2 {
  margin: 0 0 8px;
  font-size: 19px;
  font-weight: 400;
  letter-spacing: -0.48px;
  line-height: 1.2;
}

.section-label p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.3;
}

label {
  display: block;
  margin-bottom: 8px;
  color: var(--text);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0;
  line-height: 1.5;
  text-transform: uppercase;
}

.input-wrap {
  display: flex;
  align-items: center;
  border: 1px solid #c9c9c9;
  border-radius: var(--radius-md);
  background: var(--background);
  transition: border-color var(--duration-fast) var(--ease), box-shadow var(--duration-fast) var(--ease);
}

.input-wrap:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 1px var(--primary);
}

.input-wrap.invalid {
  border-color: var(--danger);
}

#secret {
  width: 100%;
  min-width: 0;
  height: 56px;
  padding: 0 8px 0 16px;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--text);
  font-family: var(--mono);
  font-size: 15px;
  letter-spacing: 0.6px;
}

#secret::placeholder {
  color: #a0a0a0;
}

.input-meta {
  display: flex;
  justify-content: space-between;
  margin-top: 8px;
  color: #777777;
  font-family: var(--mono);
  font-size: 10px;
  line-height: 1.5;
}

.error-message {
  min-height: 18px;
  margin: 8px 0 0;
  color: var(--danger);
  font-size: 12px;
}

.generate-button {
  display: flex;
  width: 100%;
  min-height: 48px;
  align-items: center;
  justify-content: space-between;
  margin-top: 12px;
  padding: 0 16px;
  border: 1px solid var(--primary);
  border-radius: var(--radius-md);
  background: var(--primary);
  color: #ffffff;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: background var(--duration-base) var(--ease), border-color var(--duration-base) var(--ease);
}

.generate-button:hover {
  border-color: var(--primary-hover);
  background: var(--primary-hover);
}

.generate-button:active {
  transform: translateY(1px);
}

.generate-button svg {
  width: 20px;
  stroke: currentColor;
  stroke-width: 1.8;
}

.local-note {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-top: 32px;
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface-soft);
}

.local-note svg {
  flex: 0 0 auto;
  width: 18px;
  margin-top: 1px;
  color: var(--success);
  stroke: currentColor;
  stroke-width: 1.6;
}

.local-note p {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}

.local-note strong {
  color: var(--text);
  font-weight: 500;
}

.output-topline {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.output-label {
  margin-bottom: 0;
}

.status-badge {
  padding: 7px 10px;
  color: var(--success);
}

.code-area {
  display: flex;
  flex: 1;
  flex-direction: column;
  justify-content: center;
  padding: 60px 0 48px;
  text-align: center;
}

.code-caption {
  margin: 0 0 16px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0;
  line-height: 1.5;
  text-transform: uppercase;
}

.code-display {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--text);
  font-family: var(--mono);
  font-size: clamp(38px, 5vw, 60px);
  font-weight: 400;
  letter-spacing: 1px;
  cursor: pointer;
}

.code-display:disabled {
  color: #b5b5b5;
  cursor: default;
}

.code-gap {
  width: 0.32em;
}

.code-display svg {
  width: 18px;
  margin-left: 16px;
  color: var(--muted);
  stroke: currentColor;
  stroke-width: 1.6;
  opacity: 0;
  transition: opacity var(--duration-fast) var(--ease);
}

.code-display:not(:disabled):hover svg,
.code-display:not(:disabled):focus-visible svg {
  opacity: 1;
}

.copy-feedback {
  min-height: 15px;
  margin: 12px 0 0;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 10px;
  opacity: 0;
  transition: opacity var(--duration-fast) var(--ease);
}

.code-area:hover .copy-feedback,
.copy-feedback.visible {
  opacity: 1;
}

.timer-block {
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--background);
}

.timer-copy {
  display: flex;
  justify-content: space-between;
  margin-bottom: 12px;
  color: var(--muted);
  font-size: 12px;
}

.timer-copy strong {
  color: var(--text);
  font-family: var(--mono);
  font-weight: 400;
}

.progress-track {
  overflow: hidden;
  height: 3px;
  border-radius: var(--radius-pill);
  background: var(--surface);
}

.progress-bar {
  width: 100%;
  height: 100%;
  border-radius: inherit;
  background: var(--primary);
  transform-origin: left;
}

.how-it-works {
  display: grid;
  grid-template-columns: 0.85fr 2fr;
  gap: 112px;
  padding: 128px 0;
}

.how-it-works h2 {
  margin: 0;
  font-size: 32px;
  font-weight: 500;
  letter-spacing: -0.8px;
  line-height: 1;
}

.facts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.facts article {
  min-height: 180px;
  padding: 20px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface-soft);
}

.facts article > span {
  color: var(--primary-hover);
  font-family: var(--mono);
  font-size: 10px;
}

.facts h3 {
  margin: 40px 0 12px;
  font-size: 19px;
  font-weight: 400;
  letter-spacing: -0.48px;
  line-height: 1.2;
}

.facts p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.4;
}

footer {
  display: flex;
  justify-content: space-between;
  padding: 24px 0 40px;
  border-top: 1px solid var(--border);
  color: #777777;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0;
  text-transform: uppercase;
}

button:focus-visible,
input:focus-visible,
a:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

@media (max-width: 768px) {
  .page-shell {
    width: calc(100% - 32px);
  }

  .generator-card {
    margin-top: 48px;
  }

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

  .input-panel {
    border-right: 0;
    border-bottom: 1px solid var(--border);
  }

  .output-panel {
    min-height: 440px;
  }

  .how-it-works {
    grid-template-columns: 1fr;
    gap: 48px;
    padding: 112px 0;
  }
}

@media (max-width: 550px) {
  .page-shell {
    width: calc(100% - 24px);
  }

  .site-header {
    min-height: 64px;
  }

  .privacy-pill {
    padding: 7px 9px;
    font-size: 9px;
  }

  .generator-card {
    margin-top: 32px;
  }

  .input-panel,
  .output-panel {
    padding: 32px 20px;
  }

  .section-label {
    margin-bottom: 32px;
  }

  .output-panel {
    min-height: 400px;
  }

  .output-topline {
    display: block;
  }

  .status-badge {
    margin: -16px 0 0 44px;
  }

  .code-area {
    padding: 48px 0 40px;
  }

  .code-display {
    font-size: clamp(34px, 11vw, 48px);
  }

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

  .facts article {
    min-height: 150px;
  }

  footer {
    flex-direction: column;
    gap: 8px;
  }
}

@media (max-width: 400px) {
  .brand-muted {
    display: none;
  }

  .input-panel,
  .output-panel {
    padding: 32px 16px;
  }
}

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