/* TruRando — "pure chance" playful theme.
   Static, local-only, zero external requests. All motion is CSS keyframes;
   decorative layers are aria-hidden and hidden in print. */

:root {
  font-family: "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  color-scheme: light;
  --ink: #2b1a4d;
  --ink-soft: #5b4a86;
  --paper: #fff9f0;
  --card: #ffffff;
  --pink: #ff3d7f;
  --orange: #ff7a1a;
  --yellow: #ffd21f;
  --purple: #7c3aed;
  --teal: #0db5a6;
  --blue: #2f6bff;
  --lime: #a3e635;
  --radius: 20px;
  --border-w: 3px;
  --hard-shadow: 6px 6px 0 var(--ink);
  --hard-shadow-sm: 4px 4px 0 var(--ink);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background-color: var(--paper);
  background-image: radial-gradient(rgba(124, 58, 237, 0.10) 2.2px, transparent 2.2px);
  background-size: 34px 34px;
  overflow-x: hidden;
}

button,
input,
textarea {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
}

button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 4px solid rgba(255, 61, 127, 0.45);
  outline-offset: 2px;
}

/* ---------- decorative background ---------- */

.blob {
  position: fixed;
  z-index: -1;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.45;
  pointer-events: none;
}

.blob-pink {
  width: 44vmax;
  height: 44vmax;
  left: -12vmax;
  top: -10vmax;
  background: var(--pink);
  animation: drift 22s ease-in-out infinite alternate;
}

.blob-teal {
  width: 40vmax;
  height: 40vmax;
  right: -10vmax;
  bottom: -12vmax;
  background: var(--teal);
  animation: drift 26s ease-in-out infinite alternate-reverse;
}

.blob-yellow {
  width: 26vmax;
  height: 26vmax;
  right: 12vw;
  top: 30vh;
  background: var(--yellow);
  opacity: 0.35;
  animation: drift 30s ease-in-out infinite alternate;
}

@keyframes drift {
  from {
    transform: translate(0, 0) scale(1);
  }
  to {
    transform: translate(6vmax, 4vmax) scale(1.15);
  }
}

/* ---------- layout ---------- */

.site-header,
.site-footer,
.app-shell {
  width: min(1120px, calc(100% - 32px));
  margin-inline: auto;
}

.site-header {
  padding: 44px 0 8px;
  text-align: center;
}

.logo-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  flex-wrap: wrap;
}

.dice-badge {
  width: 84px;
  height: 84px;
  flex: 0 0 auto;
  filter: drop-shadow(4px 4px 0 var(--ink));
  animation: dice-bob 3.2s ease-in-out infinite;
}

@keyframes dice-bob {
  0%,
  100% {
    transform: rotate(-8deg) translateY(0);
  }
  50% {
    transform: rotate(8deg) translateY(-8px);
  }
}

.eyebrow,
.step {
  margin: 0 0 8px;
  font-size: 0.82rem;
  font-weight: 900;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.eyebrow {
  color: var(--pink);
}

.step {
  display: inline-block;
  padding: 4px 12px;
  border: 2px solid var(--ink);
  border-radius: 999px;
  background: var(--yellow);
  color: var(--ink);
  box-shadow: 3px 3px 0 var(--ink);
  transform: rotate(-2deg);
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 10px;
  font-size: clamp(2.8rem, 9vw, 5rem);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 0.95;
}

h1 .highlight {
  background: linear-gradient(transparent 55%, var(--yellow) 55%, var(--yellow) 95%, transparent 95%);
  padding: 0 0.08em;
}

h2 {
  margin-bottom: 0;
  font-size: 1.45rem;
  font-weight: 900;
  letter-spacing: -0.02em;
}

.tagline {
  max-width: 640px;
  margin: 0 auto 16px;
  font-size: 1.08rem;
  font-weight: 600;
  color: var(--ink-soft);
}

.privacy-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: var(--border-w) solid var(--ink);
  border-radius: 999px;
  background: var(--lime);
  color: var(--ink);
  font-size: 0.86rem;
  font-weight: 800;
  box-shadow: var(--hard-shadow-sm);
  transform: rotate(1.5deg);
}

.privacy-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 2px solid var(--ink);
  background: var(--teal);
  animation: pulse-dot 1.6s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.45);
  }
}

/* ---------- ticker ---------- */

.ticker {
  margin: 26px 0 30px;
  overflow: hidden;
  background: var(--ink);
  border-top: var(--border-w) solid var(--ink);
  border-bottom: var(--border-w) solid var(--ink);
  transform: rotate(-1.2deg) scale(1.02);
}

.ticker-track {
  display: inline-flex;
  gap: 3rem;
  padding: 0.65rem 1.5rem 0.65rem 0;
  white-space: nowrap;
  color: var(--yellow);
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 0.95rem;
  animation: ticker-scroll 26s linear infinite;
}

.ticker-track span:nth-child(even) {
  color: var(--pink);
}

@keyframes ticker-scroll {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

/* ---------- panels ---------- */

.app-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.82fr);
  gap: 26px;
  align-items: start;
}

.panel {
  background: var(--card);
  border: var(--border-w) solid var(--ink);
  border-radius: var(--radius);
  box-shadow: var(--hard-shadow);
  padding: 26px;
  position: relative;
}

.panel::before {
  content: "";
  position: absolute;
  top: 14px;
  right: 18px;
  font-size: 1.4rem;
  opacity: 0.9;
}

.panel:nth-of-type(1)::before {
  content: "✎";
  color: var(--pink);
  transform: rotate(12deg);
}

.panel:nth-of-type(2)::before {
  content: "⚙";
  color: var(--blue);
}

.results-panel {
  grid-column: 1 / -1;
}

.results-panel::before {
  content: "🎲";
  font-size: 1.8rem;
  left: 22px;
  right: auto;
}

.section-heading,
.results-heading,
.button-row,
.input-tabs,
.checkbox-row,
.choice-group label,
.group-card-header {
  display: flex;
  align-items: center;
}

.section-heading,
.results-heading,
.group-card-header {
  justify-content: space-between;
  gap: 16px;
}

.section-heading,
.results-heading {
  margin-bottom: 20px;
}

.count-badge {
  padding: 8px 14px;
  border: 2px solid var(--ink);
  border-radius: 999px;
  background: var(--purple);
  color: #fff;
  font-size: 0.84rem;
  font-weight: 800;
  white-space: nowrap;
  box-shadow: 3px 3px 0 var(--ink);
  transform: rotate(2deg);
}

.input-tabs,
.button-row {
  gap: 10px;
  flex-wrap: wrap;
}

.input-tabs {
  margin-bottom: 18px;
}

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

.tab-button,
.secondary-button,
.ghost-button,
.mini-button {
  border: var(--border-w) solid var(--ink);
  background: #fff;
  border-radius: 12px;
  padding: 10px 14px;
  font-weight: 800;
  box-shadow: var(--hard-shadow-sm);
  transition: transform 120ms ease, box-shadow 120ms ease;
}

.tab-button:hover,
.secondary-button:hover,
.ghost-button:hover,
.mini-button:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 var(--ink);
}

.tab-button:active,
.secondary-button:active,
.ghost-button:active,
.mini-button:active {
  transform: translate(2px, 2px);
  box-shadow: 1px 1px 0 var(--ink);
}

.mini-button {
  padding: 7px 11px;
  font-size: 0.8rem;
  background: var(--yellow);
}

.tab-button.active {
  background: var(--ink);
  color: var(--yellow);
}

.secondary-button:nth-of-type(4n + 1) {
  background: #ffe3ee;
}

.secondary-button:nth-of-type(4n + 2) {
  background: #e3f4ff;
}

.secondary-button:nth-of-type(4n + 3) {
  background: #e9fbe8;
}

.secondary-button:nth-of-type(4n + 4) {
  background: #fff3d6;
}

.ghost-button {
  background: transparent;
  box-shadow: none;
}

.primary-button {
  width: 100%;
  border: var(--border-w) solid var(--ink);
  border-radius: 16px;
  background: linear-gradient(135deg, var(--pink), var(--orange));
  color: #fff;
  font-weight: 900;
  font-size: 1.25rem;
  letter-spacing: 0.02em;
  padding: 16px 18px;
  box-shadow: var(--hard-shadow);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  text-transform: uppercase;
  transition: transform 120ms ease, box-shadow 120ms ease;
}

.primary-button:hover {
  transform: translate(-2px, -2px) rotate(-0.5deg);
  box-shadow: 8px 8px 0 var(--ink);
}

.primary-button:active {
  transform: translate(3px, 3px);
  box-shadow: 1px 1px 0 var(--ink);
}

.primary-button .dice {
  width: 34px;
  height: 34px;
  flex: 0 0 auto;
}

.primary-button.rolling .dice {
  animation: dice-roll 0.65s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes dice-roll {
  0% {
    transform: rotate(0) scale(1);
  }
  40% {
    transform: rotate(200deg) scale(1.35);
  }
  70% {
    transform: rotate(340deg) scale(0.9);
  }
  100% {
    transform: rotate(360deg) scale(1);
  }
}

/* ---------- forms ---------- */

label,
legend {
  font-weight: 800;
}

.optional-label {
  color: var(--ink-soft);
  font-size: 0.8rem;
  font-weight: 700;
}

textarea,
.number-input {
  width: 100%;
  margin: 8px 0 18px;
  border: var(--border-w) solid var(--ink);
  border-radius: 14px;
  background: #fffdf8;
  padding: 13px 14px;
  outline: none;
  font-weight: 600;
  transition: box-shadow 120ms ease, transform 120ms ease;
}

textarea {
  resize: vertical;
  min-height: 130px;
}

textarea:focus,
.number-input:focus {
  box-shadow: var(--hard-shadow-sm);
  transform: translate(-1px, -1px);
}

.choice-group {
  border: 0;
  padding: 0;
  margin: 0 0 18px;
}

.choice-group legend {
  margin-bottom: 10px;
}

.choice-group label {
  gap: 10px;
  margin: 10px 0;
  font-weight: 700;
  cursor: pointer;
}

input[type="radio"],
input[type="checkbox"] {
  width: 1.3em;
  height: 1.3em;
  accent-color: var(--pink);
  flex: 0 0 auto;
}

.checkbox-row {
  gap: 10px;
  margin-bottom: 20px;
  font-weight: 700;
  cursor: pointer;
}

.preview-text {
  margin: -10px 0 18px;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--purple);
}

.notice-text {
  margin: -8px 0 0;
  padding: 10px 14px;
  border: var(--border-w) solid var(--ink);
  border-radius: 12px;
  background: var(--yellow);
  font-size: 0.88rem;
  font-weight: 700;
  transform: rotate(-0.6deg);
}

.upload-box {
  display: grid;
  gap: 8px;
  border: 3px dashed var(--purple);
  border-radius: var(--radius);
  padding: 32px 18px;
  text-align: center;
  background: #f6efff;
  transition: transform 120ms ease, background 120ms ease;
  cursor: pointer;
}

.upload-box:hover {
  transform: rotate(-0.6deg) scale(1.01);
}

.upload-box.drag-active {
  border-color: var(--pink);
  background: #ffe3ee;
  transform: scale(1.02);
}

.upload-box.is-busy {
  opacity: 0.7;
  cursor: progress;
}

.upload-box strong {
  font-size: 1.05rem;
}

.upload-box span {
  color: var(--ink-soft);
  font-size: 0.9rem;
  font-weight: 600;
}

.upload-box input {
  margin: 8px auto 0;
  max-width: 100%;
}

.status-text {
  margin: 12px 0 0;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--ink-soft);
}

.status-success {
  color: #0a7a3d;
  font-weight: 800;
}

.error-message {
  margin: 14px 0 0;
  padding: 10px 14px;
  border: var(--border-w) solid var(--ink);
  border-radius: 12px;
  background: #ffd9d9;
  color: #a31212;
  font-weight: 800;
  animation: shake 0.4s ease;
}

@keyframes shake {
  0%,
  100% {
    transform: translateX(0);
  }
  25% {
    transform: translateX(-6px) rotate(-0.5deg);
  }
  75% {
    transform: translateX(6px) rotate(0.5deg);
  }
}

/* ---------- shuffle shout ---------- */

.shuffle-shout {
  min-height: 2.2em;
  margin: 14px 0 0;
  text-align: center;
  font-weight: 900;
  font-size: 1.05rem;
  color: var(--purple);
}

.shuffle-shout.bounce {
  animation: shout-pop 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes shout-pop {
  0% {
    transform: scale(0.4) rotate(-4deg);
    opacity: 0;
  }
  100% {
    transform: scale(1) rotate(0);
    opacity: 1;
  }
}

/* ---------- results ---------- */

.results-summary {
  margin: 8px 0 0;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--ink-soft);
}

.results-actions {
  justify-content: flex-end;
  max-width: 680px;
}

.results-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
}

.group-card {
  --tilt: 0deg;
  --accent: var(--pink);
  border: var(--border-w) solid var(--ink);
  border-radius: var(--radius);
  padding: 20px;
  background: var(--card);
  box-shadow: var(--hard-shadow-sm);
  break-inside: avoid;
  position: relative;
  overflow: hidden;
  transform: rotate(var(--tilt));
  transition: transform 150ms ease, box-shadow 150ms ease;
  animation: card-pop 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) backwards;
}

.group-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 10px;
  background: var(--accent);
  border-bottom: var(--border-w) solid var(--ink);
}

.group-card:nth-child(6n + 1) {
  --tilt: -1.4deg;
  --accent: var(--pink);
  animation-delay: 0.02s;
}

.group-card:nth-child(6n + 2) {
  --tilt: 1.1deg;
  --accent: var(--blue);
  animation-delay: 0.08s;
}

.group-card:nth-child(6n + 3) {
  --tilt: -0.8deg;
  --accent: var(--teal);
  animation-delay: 0.14s;
}

.group-card:nth-child(6n + 4) {
  --tilt: 1.5deg;
  --accent: var(--orange);
  animation-delay: 0.2s;
}

.group-card:nth-child(6n + 5) {
  --tilt: -1.1deg;
  --accent: var(--purple);
  animation-delay: 0.26s;
}

.group-card:nth-child(6n + 6) {
  --tilt: 0.9deg;
  --accent: #84cc16;
  animation-delay: 0.32s;
}

.group-card:hover {
  transform: rotate(0deg) translateY(-5px) scale(1.02);
  box-shadow: 8px 8px 0 var(--ink);
  z-index: 2;
}

@keyframes card-pop {
  0% {
    opacity: 0;
    transform: scale(0.5) rotate(-8deg);
  }
  100% {
    opacity: 1;
    transform: scale(1) rotate(var(--tilt));
  }
}

.group-card-header {
  align-items: flex-start;
  margin-bottom: 12px;
  padding-top: 6px;
}

.group-card h3 {
  margin: 0 0 6px;
  font-size: 1.25rem;
  font-weight: 900;
  letter-spacing: -0.02em;
}

.group-topic {
  margin: 0;
  display: inline-block;
  padding: 3px 12px;
  border: 2px solid var(--ink);
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  font-weight: 800;
  font-size: 0.85rem;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.25);
}

.group-card ul {
  margin: 4px 0 0;
  padding-left: 22px;
  font-weight: 600;
}

.group-card li + li {
  margin-top: 7px;
}

.group-card li::marker {
  color: var(--accent);
  font-weight: 900;
}

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

.site-footer {
  padding: 30px 0 48px;
  text-align: center;
}

.site-footer p {
  margin: 0 auto;
  max-width: 720px;
  display: inline-block;
  padding: 12px 20px;
  border: var(--border-w) solid var(--ink);
  border-radius: 16px;
  background: var(--card);
  box-shadow: var(--hard-shadow-sm);
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--ink-soft);
  transform: rotate(0.6deg);
}

.site-footer strong {
  color: var(--pink);
}

/* ---------- confetti canvas ---------- */

#confettiCanvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 2000;
}

[hidden] {
  display: none !important;
}

/* ---------- responsive ---------- */

@media (max-width: 780px) {
  .site-header {
    padding-top: 30px;
  }

  .app-shell {
    grid-template-columns: 1fr;
  }

  .results-panel {
    grid-column: auto;
  }

  .section-heading,
  .results-heading {
    align-items: flex-start;
    flex-direction: column;
  }

  .button-row,
  .results-actions {
    width: 100%;
    max-width: none;
  }

  .button-row button {
    flex: 1 1 132px;
  }

  .panel {
    padding: 20px;
  }

  .ticker {
    transform: rotate(-0.8deg);
  }

  .dice-badge {
    width: 64px;
    height: 64px;
  }
}

/* ---------- print ---------- */

@media print {
  body {
    background: #fff;
  }

  .blob,
  .ticker,
  #confettiCanvas,
  .shuffle-shout,
  .dice-badge,
  .site-header,
  .app-shell > .panel:not(.results-panel),
  .site-footer,
  .results-actions,
  .mini-button,
  .step {
    display: none !important;
  }

  .app-shell,
  .results-panel {
    display: block;
    width: 100%;
    margin: 0;
  }

  .results-panel {
    box-shadow: none;
    border: 0;
    padding: 0;
  }

  .results-panel::before {
    content: none;
  }

  .results-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .group-card {
    background: #fff;
    box-shadow: none;
    transform: none;
    animation: none;
  }
}

/* ---------- reduced motion ---------- */

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .blob,
  .dice-badge,
  .privacy-dot,
  .ticker-track,
  .primary-button.rolling .dice,
  .shuffle-shout.bounce,
  .group-card,
  .error-message {
    animation: none !important;
  }

  .group-card {
    transform: none;
  }

  .ticker-track {
    transform: none;
  }
}