/* ============================================
   RANDOM THINGS GENERATOR — styles
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=Inter:wght@400;500;600;700&display=swap');

:root {
  --bg: #F6F5FB;
  --surface: #FFFFFF;
  --border: #E7E4F2;
  --border-strong: #D9D4EC;
  --text: #17152A;
  --text-soft: #5B5770;
  --text-mute: #9490A8;

  --accent: #2454C7;
  --accent-dark: #1A3D99;
  --accent-soft: #E7ECFB;
  --accent-2: #1C86D6;
  --accent-2-soft: #E2F1FB;

  --font-display: 'Space Grotesk', sans-serif;
  --font: 'Inter', system-ui, sans-serif;
  --radius: 14px;
  --radius-sm: 8px;

  --shadow-sm: 0 1px 2px rgba(23, 21, 42, 0.05);
  --shadow-md: 0 8px 24px rgba(23, 21, 42, 0.08);
  --shadow-lg: 0 16px 40px rgba(23, 21, 42, 0.12);
}

* { box-sizing: border-box; }

[hidden] { display: none !important; }

body {
  margin: 0;
  background-color: var(--bg);
  background-image: radial-gradient(rgba(23, 21, 42, 0.06) 1px, transparent 1px);
  background-size: 24px 24px;
  color: var(--text);
  font-family: var(--font);
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

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

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

.wrap {
  max-width: 880px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(246, 245, 251, 0.82);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.site-header::after {
  content: "";
  display: block;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2), transparent 70%);
  opacity: 0.5;
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding-top: 18px;
  padding-bottom: 18px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  color: var(--text);
}

.brand-mark {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  flex: none;
}

.site-nav {
  display: flex;
  gap: 4px;
  font-size: 14px;
}

.site-nav a {
  text-decoration: none;
  padding: 7px 14px;
  border-radius: 999px;
  color: var(--text-soft);
  font-weight: 500;
  transition: background .15s ease, color .15s ease;
}

.site-nav a:hover { background: var(--surface); color: var(--text); }
.site-nav a.current {
  color: #fff;
  background: var(--accent);
  box-shadow: var(--shadow-sm);
}

/* ---------- footer ---------- */

.site-footer {
  border-top: 1px solid var(--border);
  margin-top: 96px;
  padding: 28px 0;
  font-size: 13px;
  color: var(--text-mute);
  text-align: center;
}

/* ---------- buttons ---------- */

.btn {
  position: relative;
  font-family: var(--font);
  font-size: 15px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  border-radius: 999px;
  padding: 13px 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  overflow: hidden;
  transition: transform .12s ease, box-shadow .15s ease, background .15s ease;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #fff;
  box-shadow: 0 6px 16px rgba(36, 84, 199, 0.35);
}

.btn-primary::after {
  content: "";
  position: absolute;
  top: 0;
  left: -60%;
  width: 40%;
  height: 100%;
  background: linear-gradient(115deg, transparent, rgba(255,255,255,0.35), transparent);
  transform: skewX(-20deg);
  transition: left .5s ease;
}

.btn-primary:hover::after { left: 130%; }

.btn-primary:hover {
  box-shadow: 0 8px 20px rgba(36, 84, 199, 0.45);
  transform: translateY(-1px);
}
.btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 4px 10px rgba(36, 84, 199, 0.35);
}

/* ============================================
   HOME PAGE
   ============================================ */

.hero {
  position: relative;
  padding: 88px 0 64px;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: -40% -10% auto -10%;
  height: 420px;
  background:
    radial-gradient(480px 260px at 15% 20%, rgba(36, 84, 199, 0.16), transparent 70%),
    radial-gradient(420px 240px at 85% 10%, rgba(28, 134, 214, 0.14), transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.hero .wrap { position: relative; z-index: 1; }

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font);
  font-size: 13px;
  font-weight: 600;
  color: var(--accent-dark);
  background: var(--accent-soft);
  border-radius: 999px;
  padding: 6px 14px;
  margin-bottom: 20px;
}

.hero-eyebrow .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-2);
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(34px, 5.5vw, 52px);
  font-weight: 700;
  line-height: 1.08;
  margin: 0 0 16px;
  letter-spacing: -0.02em;
}

.hero p {
  font-size: 17px;
  color: var(--text-soft);
  max-width: 520px;
  margin: 0;
  line-height: 1.65;
}

.rack {
  padding: 0 0 80px;
}

.rack-heading {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-mute);
  margin: 0 0 20px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 18px;
}

/* ---- generator card ---- */

a.gen-card {
  position: relative;
  display: block;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  text-decoration: none;
  color: var(--text);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: border-color .18s ease, box-shadow .18s ease, transform .18s ease;
}

a.gen-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .25s ease;
}

a.gen-card:hover::before { transform: scaleX(1); }

a.gen-card:hover {
  border-color: var(--border-strong);
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}

.gen-card-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent-soft), var(--accent-2-soft));
  display: grid;
  place-items: center;
  font-size: 20px;
  margin-bottom: 16px;
  transition: transform .22s ease;
}

a.gen-card:hover .gen-card-icon {
  transform: scale(1.08) rotate(-4deg);
}

.gen-card h2 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  margin: 0 0 8px;
}

.gen-card p {
  font-size: 14px;
  color: var(--text-soft);
  margin: 0;
  line-height: 1.55;
}

.gen-card-arrow {
  position: absolute;
  top: 24px;
  right: 24px;
  color: var(--text-mute);
  font-size: 16px;
  transition: transform .18s ease, color .18s ease;
}

a.gen-card:hover .gen-card-arrow {
  transform: translate(3px, -3px);
  color: var(--accent);
}

/* ============================================
   GENERATOR PAGE (random number)
   ============================================ */

.gen-page {
  padding: 56px 0 64px;
}

.gen-header {
  margin-bottom: 40px;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  color: var(--text-soft);
  margin-bottom: 22px;
  transition: color .15s ease;
}
.back-link:hover { color: var(--accent); }

.gen-header h1 {
  font-family: var(--font-display);
  font-size: clamp(26px, 4.2vw, 36px);
  font-weight: 700;
  margin: 0 0 12px;
  letter-spacing: -0.01em;
}

.gen-header p {
  color: var(--text-soft);
  max-width: 480px;
  margin: 0;
  line-height: 1.65;
  font-size: 16px;
}

/* tool panel */

.tool-panel {
  position: relative;
  max-width: 460px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

.tool-panel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
}

.range-row {
  display: flex;
  gap: 14px;
}

.field {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.field label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-soft);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.field input {
  font-family: var(--font-display);
  font-variant-numeric: tabular-nums;
  font-size: 18px;
  font-weight: 600;
  background: var(--bg);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  padding: 11px 13px;
  width: 100%;
  transition: border-color .15s ease, background .15s ease, transform .15s ease;
}

.field input:hover { border-color: var(--border-strong); }

.field input:focus-visible {
  outline: none;
  border-color: var(--accent);
  background: var(--surface);
  box-shadow: 0 0 0 3px var(--accent-soft);
  transform: translateY(-1px);
}

.opt-row {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-top: 16px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-soft);
}

.opt-row input { accent-color: var(--accent); width: 16px; height: 16px; }

.field-count,
.field-decimals,
.field-sort {
  margin-top: 16px;
}

.multi-options {
  margin-top: 4px;
  padding-top: 4px;
  border-top: 1px dashed var(--border);
  margin-top: 16px;
}

.multi-options .field-sort { margin-top: 14px; }

.field select {
  font-family: var(--font);
  font-size: 14px;
  font-weight: 500;
  background: var(--bg);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  padding: 10px 12px;
  width: 100%;
  cursor: pointer;
  transition: border-color .15s ease, background .15s ease;
}

.field select:hover { border-color: var(--border-strong); }

.field select:focus-visible {
  outline: none;
  border-color: var(--accent);
  background: var(--surface);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.error-msg {
  margin-top: 10px;
  font-size: 13px;
  font-weight: 500;
  color: #E0483F;
  min-height: 16px;
}

.pull-row {
  margin-top: 20px;
}

.pull-btn {
  width: 100%;
}

/* result */

.output-slot {
  max-width: 460px;
  margin: 22px 0 0;
  min-height: 20px;
}

.result-box {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 24px;
  text-align: center;
  box-shadow: var(--shadow-md);
  overflow: hidden;
  animation: appear .3s cubic-bezier(.2,.8,.3,1.1);
}

.result-box::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--accent-soft) 0%, transparent 55%);
  pointer-events: none;
}

@keyframes appear {
  from { opacity: 0; transform: translateY(-8px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.result-label {
  position: relative;
  font-size: 12px;
  font-weight: 700;
  color: var(--text-mute);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}

.result-number-row {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.result-number {
  font-family: var(--font-display);
  font-variant-numeric: tabular-nums;
  font-size: 52px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1.1;
  display: inline-block;
  animation: pop .4s cubic-bezier(.25,.9,.35,1.4);
}

@keyframes pop {
  0% { transform: scale(0.75); opacity: 0; }
  60% { transform: scale(1.06); opacity: 1; }
  100% { transform: scale(1); }
}

.copy-btn {
  flex: none;
  width: 34px;
  height: 34px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-mute);
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: border-color .15s ease, color .15s ease, background .15s ease, transform .12s ease;
}

.copy-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-1px);
}

.copy-btn:active { transform: translateY(0); }

.copy-btn .icon-copy,
.copy-btn .icon-check {
  width: 16px;
  height: 16px;
  grid-area: 1 / 1;
}

.copy-btn .icon-copy,
.copy-btn .icon-check { display: block; }

.copy-btn {
  display: grid;
}

.copy-btn .icon-check { display: none; }

.copy-btn.copied {
  border-color: var(--accent-2);
  color: var(--accent-2);
  background: var(--accent-2-soft);
  animation: copy-bounce .35s ease;
}

@keyframes copy-bounce {
  0% { transform: scale(1); }
  40% { transform: scale(1.18); }
  100% { transform: scale(1); }
}

.copy-btn.copied .icon-copy { display: none; }
.copy-btn.copied .icon-check { display: block; }

.result-sub {
  position: relative;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-soft);
  margin-top: 8px;
}

.result-list {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin-top: 4px;
}

.result-pill {
  font-family: var(--font-display);
  font-variant-numeric: tabular-nums;
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border-radius: 999px;
  padding: 8px 16px;
  animation: chip-in .3s ease backwards;
}

.copy-all-btn {
  position: relative;
  margin-top: 16px;
  background: var(--surface);
  border: 1.5px solid var(--border);
  color: var(--text-soft);
  font-size: 13px;
  padding: 9px 18px;
  box-shadow: none;
}

.copy-all-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.copy-all-btn .icon-copy,
.copy-all-btn .icon-check {
  width: 15px;
  height: 15px;
}

.copy-all-btn .icon-check { display: none; }

.copy-all-btn.copied {
  border-color: var(--accent-2);
  color: var(--accent-2);
  background: var(--accent-2-soft);
  animation: copy-bounce .35s ease;
}

.copy-all-btn.copied .icon-copy { display: none; }
.copy-all-btn.copied .icon-check { display: block; }

/* history strip */

.history {
  max-width: 460px;
  margin-top: 36px;
}

.history h2 {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-mute);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin: 0 0 14px;
}

.history-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.history-chip {
  font-family: var(--font-display);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  font-weight: 600;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 7px 14px;
  color: var(--text-soft);
  transition: border-color .15s ease, color .15s ease, transform .15s ease;
  animation: chip-in .3s ease backwards;
}

.history-chip:hover { transform: translateY(-2px); }

.history-chip:nth-child(1) { animation-delay: 0s; }
.history-chip:nth-child(2) { animation-delay: .03s; }
.history-chip:nth-child(3) { animation-delay: .06s; }
.history-chip:nth-child(4) { animation-delay: .09s; }
.history-chip:nth-child(5) { animation-delay: .12s; }
.history-chip:nth-child(n+6) { animation-delay: .15s; }

@keyframes chip-in {
  from { opacity: 0; transform: translateY(4px) scale(0.92); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.history-chip:first-child {
  color: var(--accent-dark);
  border-color: var(--accent-soft);
  background: var(--accent-soft);
}

@media (max-width: 480px) {
  .range-row { flex-direction: column; }
  .tool-panel { padding: 22px; }
  .hero { padding: 64px 0 48px; }
}