@import url('https://fonts.googleapis.com/css2?family=Open+Sans:ital,wght@0,300..800;1,300..800&family=Raleway:ital,wght@0,100..900;1,100..900&family=Victor+Mono:ital,wght@0,100..700;1,100..700&display=swap');

/* ------------------------------------------------------------------ *
 * Prompt 150 — design tokens
 *
 * Midnight is the default palette; parchment applies when the system
 * asks for light, and <theme-toggle> can force either via data-theme.
 * ------------------------------------------------------------------ */

:root {
  --ink:         #ece7df;
  --ink-soft:    #a4a1a0;
  --ink-faint:   #6f6d6c;
  --surface:     #16181c;
  --surface-up:  #1d2026;
  --surface-hi:  #262a31;
  --line:        #2f343d;
  --accent:      #e0a458;
  --accent-ink:  #1a1206;
  --glow-a:      rgba(224, 164, 88, 0.14);
  --glow-b:      rgba(96, 132, 176, 0.12);

  --font-display: "Raleway", system-ui, sans-serif;
  --font-ui: "Open Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "Victor Mono", ui-monospace, "SFMono-Regular", Consolas, monospace;

  --radius: 14px;
  --radius-sm: 9px;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.28), 0 18px 44px -22px rgba(0, 0, 0, 0.7);
  --ease: cubic-bezier(0.2, 0.8, 0.25, 1);

  color-scheme: dark;
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --ink:         #221f1a;
    --ink-soft:    #605a50;
    --ink-faint:   #8d8577;
    --surface:     #f6f2ea;
    --surface-up:  #fffdf8;
    --surface-hi:  #efe9dd;
    --line:        #e0d8c8;
    --accent:      #a9622a;
    --accent-ink:  #fffaf3;
    --glow-a:      rgba(169, 98, 42, 0.10);
    --glow-b:      rgba(96, 132, 176, 0.10);

    color-scheme: light;
  }
}

:root[data-theme="light"] {
  --ink:         #221f1a;
  --ink-soft:    #605a50;
  --ink-faint:   #8d8577;
  --surface:     #f6f2ea;
  --surface-up:  #fffdf8;
  --surface-hi:  #efe9dd;
  --line:        #e0d8c8;
  --accent:      #a9622a;
  --accent-ink:  #fffaf3;
  --glow-a:      rgba(169, 98, 42, 0.10);
  --glow-b:      rgba(96, 132, 176, 0.10);

  color-scheme: light;
}

/* ------------------------------------------------------------------ *
 * Base
 * ------------------------------------------------------------------ */

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

html {
  height: 100%;
}

body {
  margin: 0;
  min-height: 100%;
  background-color: var(--surface);
  color: var(--ink);
  font-family: var(--font-ui);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.backdrop {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(60rem 40rem at 15% -10%, var(--glow-a), transparent 65%),
    radial-gradient(50rem 36rem at 92% 8%, var(--glow-b), transparent 62%);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

/* Custom elements are inline by default — give them a box. */
prompt-card,
prompt-history,
theme-toggle {
  display: block;
}

a {
  color: inherit;
}

/* ------------------------------------------------------------------ *
 * Layout
 * ------------------------------------------------------------------ */

.shell {
  width: min(46rem, 100% - 2.5rem);
  margin-inline: auto;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  gap: 2.25rem;
  padding-block: clamp(1.75rem, 5vh, 3.5rem);
}

.masthead {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.masthead__actions {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.15rem;
}

.nav-link {
  color: var(--ink-soft);
  font-size: 0.82rem;
  text-decoration: none;
}

.nav-link:hover {
  color: var(--ink);
}

.wordmark {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.wordmark a {
  text-decoration: none;
}

.wordmark::first-letter {
  color: var(--accent);
}

.wordmark span {
  color: var(--accent);
  font-weight: 450;
}

.tagline {
  margin: 0.15rem 0 0;
  color: var(--ink-faint);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  text-transform: lowercase;
}

.stage {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
  justify-content: flex-start;
}

.colophon {
  color: var(--ink-faint);
  font-size: 0.78rem;
  text-align: center;
}

.colophon p {
  margin: 0;
}

kbd {
  display: inline-block;
  padding: 0.1rem 0.4rem;
  border: 1px solid var(--line);
  border-bottom-width: 2px;
  border-radius: 5px;
  background: var(--surface-hi);
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: 0.72rem;
}

/* ------------------------------------------------------------------ *
 * Prompt pages
 * ------------------------------------------------------------------ */

.page-heading__eyebrow {
  margin: 0 0 0.35rem;
  color: var(--accent);
  font-size: 0.7rem;
  font-weight: 650;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.page-heading__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 5.6vw, 2.55rem);
  font-weight: 400;
  line-height: 1.08;
}

.page-heading__date {
  min-height: 1.5em;
  margin: 0.55rem 0 0;
  color: var(--ink-faint);
  font-size: 0.8rem;
}

.page-heading--with-action {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1.25rem;
}

.page-heading__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.6rem;
}

.hero-copy {
  position: relative;
  max-width: 38rem;
  margin: 0 0 clamp(1rem, 4vh, 2.5rem);
  padding-left: 1.25rem;
  color: var(--ink-soft);
  font-family: var(--font-display);
  font-size: clamp(1.08rem, 3vw, 1.3rem);
  line-height: 1.55;
}

.hero-copy::before {
  content: "";
  position: absolute;
  inset-block: 0.25rem;
  left: 0;
  width: 2px;
  border-radius: 999px;
  background: linear-gradient(180deg, var(--accent), transparent);
}

.prompt-list {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: prompts;
}

.prompt-list__item {
  counter-increment: prompts;
  display: grid;
  grid-template-columns: 2rem minmax(0, 1fr) auto;
  align-items: center;
  gap: 1rem;
  padding: 1.15rem 0;
  border-bottom: 1px solid var(--line);
  cursor: pointer;
  transition: background-color 0.15s var(--ease), padding-inline 0.15s var(--ease);
}

.prompt-list__item:first-child {
  border-top: 1px solid var(--line);
}

.prompt-list__item::before {
  content: counter(prompts, decimal-leading-zero);
  color: var(--ink-faint);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
}

.prompt-list__item.is-entering {
  animation: rise 0.42s var(--ease) both;
}

.prompt-list__item:hover,
.prompt-list__item:focus-within {
  padding-inline: 0.75rem;
  background: var(--surface-up);
}

.prompt-list__prompt {
  margin: 0;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 4vw, 1.5rem);
  line-height: 1.35;
}

.prompt-list__copy {
  opacity: 0.55;
}

.prompt-list__item:hover .prompt-list__copy,
.prompt-list__copy:focus-visible {
  opacity: 1;
}

.prompt-list__message {
  padding: 1.25rem 0;
  color: var(--ink-faint);
}

.prompt-list__message--error {
  color: #e2725b;
}

/* ------------------------------------------------------------------ *
 * About
 * ------------------------------------------------------------------ */

.stage--about {
  gap: 2.25rem;
}

.about-grid {
  border-top: 1px solid var(--line);
}

.about-section {
  display: grid;
  grid-template-columns: clamp(4rem, 10vw, 6.5rem) minmax(0, 34rem);
  gap: clamp(1rem, 4vw, 2.25rem);
  padding: clamp(1.5rem, 5vw, 2.5rem) 0;
  border-bottom: 1px solid var(--line);
}

.about-section__number {
  margin: 0;
  color: var(--accent);
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 4vw, 2rem);
  font-variant-numeric: tabular-nums;
  line-height: 1.2;
}

.about-section h3 {
  margin: 0 0 0.65rem;
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 3.5vw, 1.55rem);
  font-weight: 500;
}

.about-section p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.96rem;
  line-height: 1.75;
}

.text-link {
  display: inline-block;
  margin-top: 1rem;
  color: var(--accent);
  font-size: 0.86rem;
  font-weight: 600;
  text-decoration: none;
}

.text-link:hover {
  text-decoration: underline;
  text-underline-offset: 0.25em;
}

@media (max-width: 34rem) {
  .masthead {
    align-items: stretch;
  }

  .masthead__actions {
    align-items: flex-end;
  }

  .site-nav {
    align-items: flex-end;
    flex-direction: column;
    gap: 0.35rem;
  }

  .page-heading--with-action {
    align-items: flex-start;
    flex-direction: column;
  }

  .page-heading__actions {
    justify-content: flex-start;
  }

  .prompt-list__item {
    grid-template-columns: 1.5rem minmax(0, 1fr);
  }

  .prompt-list__copy {
    grid-column: 2;
    justify-self: start;
    margin-left: -0.6rem;
  }
}

/* ------------------------------------------------------------------ *
 * Prompt card
 * ------------------------------------------------------------------ */

.card {
  position: relative;
  padding: clamp(1.6rem, 5vw, 2.6rem);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--surface-up), var(--surface));
  box-shadow: var(--shadow);
  overflow: hidden;
}

.card::before {
  content: "";
  position: absolute;
  inset-inline: 0;
  top: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.55;
}

.card__eyebrow {
  margin: 0 0 1.1rem;
  color: var(--ink-faint);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.card__prompt {
  margin: 0;
  min-height: 2.5em;
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 5.5vw, 2.4rem);
  font-weight: 400;
  line-height: 1.25;
  letter-spacing: -0.01em;
  text-wrap: balance;
}

.card__prompt.is-error {
  color: #e2725b;
  font-family: var(--font-ui);
  font-size: 1rem;
  line-height: 1.5;
}

.card__prompt.is-entering {
  animation: rise 0.42s var(--ease) both;
}

.card__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.9rem;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(0.5rem);
    filter: blur(3px);
  }
  to {
    opacity: 1;
    transform: none;
    filter: none;
  }
}

/* ------------------------------------------------------------------ *
 * Buttons
 * ------------------------------------------------------------------ */

.button {
  appearance: none;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.6rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface-hi);
  color: var(--ink);
  font: inherit;
  font-size: 0.88rem;
  font-weight: 500;
  cursor: pointer;
  transition: transform 0.15s var(--ease), background-color 0.15s var(--ease),
              border-color 0.15s var(--ease), color 0.15s var(--ease);
}

.button:hover {
  border-color: var(--ink-faint);
  transform: translateY(-1px);
}

.button:active {
  transform: translateY(0);
}

.button--primary {
  border-color: transparent;
  background: var(--accent);
  color: var(--accent-ink);
}

.button--primary:hover {
  border-color: transparent;
  filter: brightness(1.06);
}

.button.is-done {
  border-color: var(--accent);
  color: var(--accent);
}

.button--quiet {
  padding: 0.25rem 0.6rem;
  border-color: transparent;
  background: transparent;
  color: var(--ink-faint);
  font-size: 0.76rem;
}

.button--quiet:hover {
  border-color: var(--line);
  color: var(--ink);
}

.button--icon {
  padding: 0;
  width: 2.25rem;
  height: 2.25rem;
  justify-content: center;
  font-size: 0.95rem;
  line-height: 1;
}

/* ------------------------------------------------------------------ *
 * History
 * ------------------------------------------------------------------ */

.history__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.6rem;
}

.history__title {
  margin: 0;
  color: var(--ink-faint);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.history__list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.history__entry {
  display: block;
  width: 100%;
  padding: 0.62rem 0.2rem;
  border: 0;
  border-bottom: 1px solid var(--line);
  background: none;
  color: var(--ink-soft);
  font-family: var(--font-display);
  font-size: 0.98rem;
  text-align: left;
  cursor: pointer;
  transition: color 0.15s var(--ease), padding-inline-start 0.15s var(--ease);
}

.history__entry:hover {
  padding-inline-start: 0.6rem;
  color: var(--ink);
}

/* ------------------------------------------------------------------ *
 * Motion preferences
 * ------------------------------------------------------------------ */

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