/* Snapple Facts — site styles
   Design language: Snapple bottle-cap red/yellow, warm paper background,
   a serif display face for headlines (Fraunces) over a clean grotesque
   body face (Inter). Light/dark are both first-class. */

:root {
  color-scheme: light dark;

  --red-500: #e6301e;
  --red-600: #c92415;
  --red-700: #a3160a;
  --yellow-400: #f2b705;
  --yellow-300: #ffe27a;

  --font-display: 'Fraunces', ui-serif, Georgia, serif;
  --font-body: 'Inter', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', sans-serif;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --shadow-sm: 0 1px 2px rgba(20, 10, 5, 0.08);
  --shadow-md: 0 8px 24px -8px rgba(20, 10, 5, 0.25);
  --shadow-lg: 0 24px 60px -20px rgba(20, 10, 5, 0.35);

  --bg: #fbf4e8;
  --bg-elevated: #fffdf8;
  --ink: #241a12;
  --ink-muted: #6b5c4c;
  --border: rgba(36, 26, 18, 0.12);
  --accent: var(--red-500);
  --accent-ink: #fff8ec;

  --transition-fast: 150ms ease;
  --transition-med: 260ms cubic-bezier(0.22, 1, 0.36, 1);
}

:root[data-theme='dark'] {
  --bg: #1c140f;
  --bg-elevated: #241a13;
  --ink: #f6ecdd;
  --ink-muted: #c6b39c;
  --border: rgba(246, 236, 221, 0.14);
  --shadow-md: 0 8px 24px -8px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 24px 60px -20px rgba(0, 0, 0, 0.6);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) {
    --bg: #1c140f;
    --bg-elevated: #241a13;
    --ink: #f6ecdd;
    --ink-muted: #c6b39c;
    --border: rgba(246, 236, 221, 0.14);
    --shadow-md: 0 8px 24px -8px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 24px 60px -20px rgba(0, 0, 0, 0.6);
  }
}

* {
  box-sizing: border-box;
}

/* The [hidden] attribute and classes like .btn/.fact-list both set `display`
   with equal (0,1,0) specificity; without this, an element's own class can
   silently win the cascade and keep it visible while `hidden` is set. */
[hidden] {
  display: none !important;
}

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  line-height: 1.1;
  margin: 0 0 0.5em;
}

a {
  color: inherit;
}

img {
  max-width: 100%;
  display: block;
}

.wrap {
  width: 100%;
  max-width: 1040px;
  margin-inline: auto;
  padding-inline: 20px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--accent);
  color: var(--accent-ink);
  padding: 10px 16px;
  border-radius: 0 0 8px 0;
  z-index: 100;
}
.skip-link:focus {
  left: 0;
}

:focus-visible {
  outline: 2px solid var(--yellow-400);
  outline-offset: 2px;
}

/* ---------- floating bubbles (hero backdrop) ---------- */
.bubbles {
  position: fixed;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: 0;
}
.bubbles span {
  position: absolute;
  bottom: -10%;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, rgba(242, 183, 5, 0.55), rgba(230, 48, 30, 0.12));
  animation: rise linear infinite;
  opacity: 0.55;
}
.bubbles span:nth-child(1) {
  left: 4%;
  width: 10px;
  height: 10px;
  animation-duration: 18s;
  animation-delay: -2s;
}
.bubbles span:nth-child(2) {
  left: 14%;
  width: 18px;
  height: 18px;
  animation-duration: 22s;
  animation-delay: -8s;
}
.bubbles span:nth-child(3) {
  left: 24%;
  width: 8px;
  height: 8px;
  animation-duration: 15s;
  animation-delay: -4s;
}
.bubbles span:nth-child(4) {
  left: 38%;
  width: 22px;
  height: 22px;
  animation-duration: 26s;
  animation-delay: -12s;
}
.bubbles span:nth-child(5) {
  left: 50%;
  width: 12px;
  height: 12px;
  animation-duration: 19s;
  animation-delay: -1s;
}
.bubbles span:nth-child(6) {
  left: 62%;
  width: 16px;
  height: 16px;
  animation-duration: 24s;
  animation-delay: -9s;
}
.bubbles span:nth-child(7) {
  left: 72%;
  width: 9px;
  height: 9px;
  animation-duration: 16s;
  animation-delay: -6s;
}
.bubbles span:nth-child(8) {
  left: 82%;
  width: 20px;
  height: 20px;
  animation-duration: 28s;
  animation-delay: -14s;
}
.bubbles span:nth-child(9) {
  left: 90%;
  width: 11px;
  height: 11px;
  animation-duration: 20s;
  animation-delay: -3s;
}
.bubbles span:nth-child(10) {
  left: 96%;
  width: 15px;
  height: 15px;
  animation-duration: 23s;
  animation-delay: -10s;
}

@keyframes rise {
  from {
    transform: translateY(0) translateX(0);
  }
  50% {
    transform: translateY(-55vh) translateX(12px);
  }
  to {
    transform: translateY(-115vh) translateX(-8px);
  }
}

/* ---------- header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: saturate(1.4) blur(10px);
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  border-bottom: 1px solid var(--border);
}
.site-header__inner {
  display: flex;
  align-items: center;
  gap: 16px;
  height: 60px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 800;
  text-decoration: none;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
  margin-right: auto;
}
.brand__mark {
  border-radius: 50%;
}
.site-nav {
  display: flex;
  gap: 22px;
  font-weight: 600;
  font-size: 0.92rem;
}
.site-nav a {
  text-decoration: none;
  color: var(--ink-muted);
  transition: color var(--transition-fast);
}
.site-nav a:hover {
  color: var(--accent);
}
.site-header__actions {
  display: flex;
  align-items: center;
  gap: 6px;
}
.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--ink);
  cursor: pointer;
  text-decoration: none;
  transition:
    transform var(--transition-fast),
    border-color var(--transition-fast);
}
.icon-btn:hover {
  transform: translateY(-1px);
  border-color: var(--accent);
}
.icon--moon {
  display: none;
}
:root[data-theme='dark'] .icon--sun {
  display: none;
}
:root[data-theme='dark'] .icon--moon {
  display: block;
}

/* ---------- hero ---------- */
.hero {
  position: relative;
  padding: 64px 0 40px;
  text-align: center;
}
.hero__logo {
  margin-inline: auto;
  margin-bottom: 22px;
  filter: drop-shadow(0 6px 16px rgba(0, 0, 0, 0.15));
}
.hero h1 {
  font-size: clamp(2.4rem, 5.5vw, 4rem);
  font-weight: 700;
  color: var(--red-600);
}
:root[data-theme='dark'] .hero h1 {
  color: var(--yellow-400);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) .hero h1 {
    color: var(--yellow-400);
  }
}
.hero__tagline {
  max-width: 620px;
  margin: 0 auto;
  font-size: 1.08rem;
  color: var(--ink-muted);
}
.hero__tagline strong {
  color: var(--ink);
}
.hero__stats {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin-top: 22px;
}
.hero__stats img {
  height: 20px;
  border-radius: 4px;
}

/* ---------- cap / random fact ---------- */
.cap-section {
  padding: 20px 0 64px;
  position: relative;
}
.cap-stage {
  display: grid;
  justify-items: center;
  gap: 28px;
}

.cap {
  --size: 128px;
  width: var(--size);
  height: var(--size);
  border-radius: 50%;
  border: none;
  cursor: pointer;
  position: relative;
  background: radial-gradient(circle at 32% 28%, var(--yellow-300), var(--yellow-400) 60%, #d19b02 100%);
  box-shadow:
    var(--shadow-lg),
    inset 0 0 0 6px rgba(255, 255, 255, 0.25);
  display: grid;
  place-items: center;
  transition: transform var(--transition-fast);
  flex-shrink: 0;
}
.cap:hover {
  transform: translateY(-2px) scale(1.02);
}
.cap:active,
.cap.is-twisting {
  animation: twist 480ms cubic-bezier(0.65, 0, 0.35, 1);
}
@keyframes twist {
  0% {
    transform: rotate(0deg) scale(1);
  }
  40% {
    transform: rotate(160deg) scale(0.94);
  }
  70% {
    transform: rotate(190deg) scale(0.98);
  }
  100% {
    transform: rotate(180deg) scale(1);
  }
}
.cap__ring {
  position: absolute;
  inset: 8px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #ff6b57, var(--red-500) 55%, var(--red-700) 100%);
  box-shadow: inset 0 0 0 1px rgba(255, 223, 160, 0.5);
}
.cap__ring::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background-image: repeating-conic-gradient(rgba(255, 226, 122, 0.9) 0deg 4deg, transparent 4deg 12deg);
  -webkit-mask: radial-gradient(circle, transparent 62%, black 64%);
  mask: radial-gradient(circle, transparent 62%, black 64%);
}
.cap__label {
  position: relative;
  z-index: 1;
  display: grid;
  justify-items: center;
  color: var(--accent-ink);
  font-family: var(--font-display);
  font-style: italic;
}
.cap__real {
  font-size: 0.92rem;
  font-weight: 600;
}
.cap__hash {
  font-size: 1.35rem;
  font-weight: 700;
}

.fact-card {
  max-width: 560px;
  width: 100%;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 28px 30px;
  text-align: center;
}
.fact-card__text {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 500;
  margin: 0 0 18px;
  min-height: 2.6em;
}
.fact-card__actions {
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
}

.cap-hint {
  color: var(--ink-muted);
  font-size: 0.9rem;
  text-align: center;
}
kbd {
  font-family: inherit;
  border: 1px solid var(--border);
  border-bottom-width: 2px;
  border-radius: 5px;
  padding: 1px 6px;
  font-size: 0.85em;
  background: var(--bg-elevated);
}
.link-btn {
  background: none;
  border: none;
  padding: 0;
  color: var(--accent);
  font-weight: 600;
  cursor: pointer;
  text-decoration: underline;
  font: inherit;
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font: inherit;
  font-weight: 700;
  font-size: 0.92rem;
  padding: 10px 18px;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition:
    transform var(--transition-fast),
    box-shadow var(--transition-fast),
    opacity var(--transition-fast);
}
.btn--sm {
  padding: 7px 14px;
  font-size: 0.85rem;
}
.btn--primary {
  background: var(--accent);
  color: var(--accent-ink);
  box-shadow: var(--shadow-sm);
}
.btn--primary:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.btn--outline {
  background: transparent;
  border-color: var(--border);
  color: var(--ink);
}
.btn--outline:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.btn--ghost {
  background: color-mix(in srgb, var(--accent) 8%, transparent);
  color: var(--accent);
}
.btn--ghost:hover {
  background: color-mix(in srgb, var(--accent) 16%, transparent);
}
.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none !important;
}
[data-state='done'] {
  color: #2f8a3d;
}

/* ---------- browse ---------- */
.browse-section {
  padding: 20px 0 72px;
}
.browse-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
}
.browse-header h2 {
  font-size: 1.6rem;
  margin: 0;
}
.browse-controls {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.search-field,
.jump-field {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 8px 16px;
  color: var(--ink-muted);
}
.search-field {
  min-width: 260px;
}
.jump-field {
  width: 150px;
}
.search-field input,
.jump-field input {
  border: none;
  background: none;
  outline: none;
  color: var(--ink);
  font: inherit;
  width: 100%;
}
.jump-field input::-webkit-outer-spin-button,
.jump-field input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.results-summary {
  color: var(--ink-muted);
  font-size: 0.88rem;
  margin: 0 0 14px;
}

.fact-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 14px;
}
.fact-list li {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  display: flex;
  gap: 12px;
  align-items: flex-start;
  animation: pop-in 260ms ease both;
}
@keyframes pop-in {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}
.fact-list .n {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  color: var(--accent);
  font-weight: 800;
  font-size: 0.78rem;
  display: grid;
  place-items: center;
}
.fact-list p {
  margin: 0;
  font-size: 0.94rem;
}
.fact-list mark {
  background: var(--yellow-300);
  color: #241a12;
  border-radius: 3px;
  padding: 0 2px;
}

.fact-list-empty {
  text-align: center;
  color: var(--ink-muted);
  padding: 40px 0;
}

.load-more-wrap {
  display: flex;
  justify-content: center;
  margin-top: 26px;
}

/* ---------- usage / code ---------- */
.usage-section {
  padding: 24px 0 80px;
}
.usage-section h2 {
  font-size: 1.6rem;
  text-align: center;
}
.usage-lead {
  max-width: 560px;
  margin: 0 auto 26px;
  text-align: center;
  color: var(--ink-muted);
}
.usage-lead code {
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  color: var(--accent);
  padding: 1px 6px;
  border-radius: 5px;
}

.code-tabs {
  max-width: 680px;
  margin: 0 auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-elevated);
  box-shadow: var(--shadow-sm);
}
.code-tabs__list {
  display: flex;
  border-bottom: 1px solid var(--border);
}
.code-tab {
  flex: 1;
  padding: 12px 8px;
  background: none;
  border: none;
  font: inherit;
  font-weight: 700;
  font-size: 0.88rem;
  color: var(--ink-muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: color var(--transition-fast);
}
.code-tab[aria-selected='true'] {
  color: var(--accent);
  border-bottom-color: var(--accent);
}
.code-panel {
  position: relative;
  padding: 20px 22px 20px;
}
.code-panel pre {
  margin: 0;
  overflow-x: auto;
  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
  font-size: 0.86rem;
  line-height: 1.6;
}
.copy-code {
  position: absolute;
  top: 12px;
  right: 12px;
}

.usage-links {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 24px;
  flex-wrap: wrap;
}

/* ---------- footer ---------- */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 28px 0 40px;
}
.site-footer__inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 16px;
  font-size: 0.85rem;
  color: var(--ink-muted);
}
.site-footer__inner p {
  margin: 0 0 4px;
}
.site-footer__muted {
  opacity: 0.75;
}
.site-footer__links {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.site-footer__links a {
  text-decoration: none;
  color: var(--ink-muted);
}
.site-footer__links a:hover {
  color: var(--accent);
}

/* ---------- toast ---------- */
.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translate(-50%, 16px);
  background: var(--ink);
  color: var(--bg);
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 600;
  opacity: 0;
  pointer-events: none;
  transition:
    opacity var(--transition-med),
    transform var(--transition-med);
  z-index: 50;
  box-shadow: var(--shadow-md);
}
.toast.is-visible {
  opacity: 1;
  transform: translate(-50%, 0);
}

/* ---------- responsive ---------- */
@media (max-width: 640px) {
  .site-nav {
    display: none;
  }
  .hero {
    padding-top: 44px;
  }
  .browse-header {
    align-items: stretch;
  }
  .search-field {
    min-width: 0;
    flex: 1;
  }
}