:root {
  --bg: #f7f7fc;
  --surface: #ffffff;
  --surface-2: #f0efff;
  --surface-3: #ececf4;
  --ink: #18172a;
  --ink-soft: #626076;
  --line: #deddea;
  --accent: #6657e8;
  --accent-strong: #5546d6;
  --accent-soft: #ece9ff;
  --success: #159a66;
  --success-soft: #e6f8f0;
  --danger: #d94949;
  --danger-soft: #fff0f0;
  --warning: #d78416;
  --warning-soft: #fff6df;
  --gold: #d9a40e;
  --blue: #2878d2;
  --green: #238c5c;
  --brown: #8c5d3c;
  --gray: #6f7380;
  --silver: #aab0bd;
  --sand: #e6c785;
  --shadow-sm: 0 8px 24px rgba(27, 25, 61, 0.07);
  --shadow-md: 0 24px 64px rgba(27, 25, 61, 0.12);
  --shadow-accent: 0 16px 36px rgba(102, 87, 232, 0.24);
  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-lg: 30px;
  --max-width: 1160px;
  --header-height: 72px;
  --transition: 180ms ease;

  --puzzle-ink: #171622;
  --puzzle-muted: #777386;
  --puzzle-accent: #6657e8;
  --puzzle-red: #d94343;
  --puzzle-blue: #2475c7;
  --puzzle-green: #268455;
  --puzzle-gold: #c98b00;
  --puzzle-brown: #845734;
  --puzzle-gray: #707582;
  --puzzle-silver: #a9afbb;
  --puzzle-white: #ffffff;
  --puzzle-transparent: transparent;
  --puzzle-blue-soft: #dceeff;
  --puzzle-green-soft: #e2f4e8;
  --puzzle-gold-soft: #fff0b8;
  --puzzle-gray-soft: #e6e7eb;
  --puzzle-sand: #f4dfa7;
}

html[data-theme="dark"] {
  --bg: #11101a;
  --surface: #1a1925;
  --surface-2: #24213a;
  --surface-3: #242330;
  --ink: #f4f3fb;
  --ink-soft: #aaa7bd;
  --line: #363445;
  --accent: #8c7dff;
  --accent-strong: #a095ff;
  --accent-soft: #2d294d;
  --success: #4fd49f;
  --success-soft: #15392d;
  --danger: #ff7676;
  --danger-soft: #432020;
  --warning: #f2b44c;
  --warning-soft: #433419;
  --shadow-sm: 0 8px 24px rgba(0, 0, 0, 0.24);
  --shadow-md: 0 24px 64px rgba(0, 0, 0, 0.36);
  --shadow-accent: 0 16px 36px rgba(108, 89, 255, 0.28);

  --puzzle-ink: #f4f2ff;
  --puzzle-muted: #aaa7bb;
  --puzzle-accent: #9a8cff;
  --puzzle-red: #ff7777;
  --puzzle-blue: #70b5ff;
  --puzzle-green: #69d697;
  --puzzle-gold: #ffd166;
  --puzzle-brown: #d29b70;
  --puzzle-gray: #a9adba;
  --puzzle-silver: #c8ccd5;
  --puzzle-white: #ffffff;
  --puzzle-blue-soft: #203c56;
  --puzzle-green-soft: #213d31;
  --puzzle-gold-soft: #463d20;
  --puzzle-gray-soft: #373944;
  --puzzle-sand: #66532e;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 20px);
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 15% 3%, rgba(102, 87, 232, 0.11), transparent 28rem),
    radial-gradient(circle at 90% 17%, rgba(255, 191, 80, 0.1), transparent 24rem),
    var(--bg);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji", sans-serif;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

button,
input,
select {
  font: inherit;
}

button,
a,
select {
  -webkit-tap-highlight-color: transparent;
}

button {
  color: inherit;
}

button:not(:disabled),
select:not(:disabled) {
  cursor: pointer;
}

button:disabled,
input:disabled,
select:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

a {
  color: inherit;
  text-decoration: none;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  letter-spacing: -0.035em;
  line-height: 1.1;
}

h1 {
  margin-bottom: 16px;
  font-size: clamp(2.35rem, 5vw, 3.8rem);
}

h2 {
  margin-bottom: 14px;
  font-size: clamp(1.85rem, 3.4vw, 3rem);
}

h3 {
  margin-bottom: 7px;
  font-size: 1.18rem;
}

p {
  color: var(--ink-soft);
}

.sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 1000;
  padding: 10px 14px;
  border-radius: 10px;
  background: var(--ink);
  color: var(--surface);
  transform: translateY(-190%);
  transition: transform var(--transition);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  border-bottom: 1px solid color-mix(in srgb, var(--line) 78%, transparent);
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(18px) saturate(135%);
}

.header-inner,
.footer-inner {
  width: min(calc(100% - 32px), var(--max-width));
  margin: 0 auto;
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 900;
}

.brand-mark {
  display: grid;
  grid-template-columns: 1fr 1fr;
  width: 38px;
  height: 38px;
  overflow: hidden;
  border-radius: 11px;
  box-shadow: var(--shadow-sm);
  transform: rotate(-2deg);
}

.brand-mark span {
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 0.95rem;
  line-height: 1;
}

.brand-mark span:first-child {
  background: var(--accent);
}

.brand-mark span:last-child {
  background: #f39a37;
}

.brand-name {
  font-size: 1.2rem;
  letter-spacing: -0.04em;
}

.brand-name > span {
  color: var(--accent);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.icon-button {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
  transition: transform var(--transition), border-color var(--transition), background var(--transition);
}

.icon-button:hover {
  transform: translateY(-1px);
  border-color: color-mix(in srgb, var(--accent) 55%, var(--line));
  background: var(--accent-soft);
}

.icon-button svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

main {
  overflow: hidden;
}

.hero {
  width: min(calc(100% - 32px), var(--max-width));
  margin: 0 auto;
  padding: clamp(24px, 3vw, 40px) 0 38px;
}

.hero-copy {
  max-width: 780px;
  margin: 0 auto 18px;
  text-align: center;
}

.hero-copy > p:last-child {
  max-width: 650px;
  margin: 0 auto;
  font-size: clamp(1rem, 2vw, 1.18rem);
}

.eyebrow {
  margin-bottom: 10px;
  color: var(--accent);
  font-size: 0.77rem;
  font-weight: 850;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.pulse-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 7px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 0 0 rgba(21, 154, 102, 0.35);
  animation: pulse 2.3s infinite;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(21, 154, 102, 0.28); }
  50% { box-shadow: 0 0 0 7px rgba(21, 154, 102, 0); }
}

.game-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.62fr) minmax(280px, 0.74fr);
  gap: 22px;
  align-items: start;
}

.game-card,
.stats-card,
.quick-card,
.example-card,
.copy-card,
.faq-list details {
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

.game-card {
  position: relative;
  padding: clamp(18px, 3vw, 30px);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.game-card::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  border-radius: inherit;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.28), transparent 32%);
}

.game-toolbar,
.puzzle-meta,
.game-actions,
.progress-label,
.stats-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.game-toolbar {
  position: relative;
  z-index: 1;
  gap: 12px;
  margin-bottom: 20px;
}

.mode-switch {
  display: inline-flex;
  gap: 4px;
  padding: 4px;
  border-radius: 14px;
  background: var(--surface-3);
}

.mode-button {
  min-height: 40px;
  padding: 7px 13px;
  border: 0;
  border-radius: 10px;
  background: transparent;
  color: var(--ink-soft);
  font-size: 0.9rem;
  font-weight: 750;
  transition: background var(--transition), color var(--transition), box-shadow var(--transition);
}

.mode-button.is-active {
  background: var(--surface);
  color: var(--ink);
  box-shadow: 0 5px 12px rgba(20, 18, 50, 0.08);
}

.difficulty-control select {
  min-height: 42px;
  max-width: 136px;
  padding: 0 34px 0 12px;
  border: 1px solid var(--line);
  border-radius: 12px;
  outline: 0;
  background: var(--surface) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 20 20'%3E%3Cpath fill='%23626076' d='m5 7 5 5 5-5z'/%3E%3C/svg%3E") no-repeat right 10px center;
  color: var(--ink);
  font-size: 0.88rem;
  font-weight: 700;
  appearance: none;
}

.difficulty-control select:focus-visible,
.answer-row input:focus-visible,
button:focus-visible,
a:focus-visible,
summary:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--accent) 28%, transparent);
  outline-offset: 2px;
}

.puzzle-meta {
  position: relative;
  z-index: 1;
  gap: 12px;
  margin-bottom: 12px;
}

.mode-label,
.puzzle-number {
  display: block;
}

.mode-label {
  color: var(--ink);
  font-size: 0.94rem;
  font-weight: 850;
}

.puzzle-number {
  margin-top: 2px;
  color: var(--ink-soft);
  font-size: 0.8rem;
}

.difficulty-badge {
  padding: 5px 10px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.74rem;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.difficulty-badge[data-level="easy"] {
  background: var(--success-soft);
  color: var(--success);
}

.difficulty-badge[data-level="hard"] {
  background: var(--danger-soft);
  color: var(--danger);
}

.puzzle-stage {
  position: relative;
  z-index: 1;
  width: 100%;
  min-height: 250px;
  overflow: hidden;
  border: 1px solid color-mix(in srgb, var(--accent) 18%, var(--line));
  border-radius: 22px;
  background:
    radial-gradient(circle at 18% 18%, color-mix(in srgb, var(--accent) 8%, transparent), transparent 26%),
    linear-gradient(145deg, color-mix(in srgb, var(--surface-2) 64%, var(--surface)), var(--surface));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.7);
  isolation: isolate;
}

.puzzle-stage::before,
.puzzle-stage::after {
  content: "";
  position: absolute;
  pointer-events: none;
  border-radius: 50%;
  filter: blur(0.2px);
  opacity: 0.4;
}

.puzzle-stage::before {
  width: 130px;
  height: 130px;
  top: -75px;
  right: -45px;
  background: var(--accent-soft);
}

.puzzle-stage::after {
  width: 90px;
  height: 90px;
  bottom: -55px;
  left: -26px;
  background: var(--warning-soft);
}

.puzzle-element {
  position: absolute;
  display: grid;
  place-items: center;
  margin: 0;
  white-space: pre-line;
  text-align: center;
  line-height: 1.03;
  transform-origin: center;
  user-select: none;
  text-wrap: balance;
}

.puzzle-element[data-style="darkEmoji"] {
  filter: grayscale(1) brightness(0.22);
}

html[data-theme="dark"] .puzzle-element[data-style="darkEmoji"] {
  filter: grayscale(1) brightness(0.66);
}

.puzzle-element[data-style="blueEmoji"] {
  filter: hue-rotate(160deg) saturate(1.45);
}

.puzzle-element[data-style="greenEmoji"] {
  filter: hue-rotate(82deg) saturate(1.55);
}

.puzzle-shape {
  position: absolute;
  pointer-events: none;
  transform-origin: center;
}

.puzzle-shape--rect {
  border: var(--shape-width, 3px) var(--shape-style, solid) var(--shape-color);
  border-radius: var(--shape-radius, 0);
  background: var(--shape-fill, transparent);
}

.puzzle-shape--circle {
  border: var(--shape-width, 3px) var(--shape-style, solid) var(--shape-color);
  border-radius: 50%;
  background: var(--shape-fill, transparent);
}

.puzzle-shape--line {
  height: 0;
  border-top: var(--shape-width, 3px) var(--shape-style, solid) var(--shape-color);
  transform-origin: 0 50%;
}

.loading-puzzle {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
}

.loading-puzzle span {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--accent);
  animation: bounce 1.1s infinite ease-in-out;
}

.loading-puzzle span:nth-child(2) { animation-delay: 0.12s; }
.loading-puzzle span:nth-child(3) { animation-delay: 0.24s; }

@keyframes bounce {
  0%, 70%, 100% { transform: translateY(0); opacity: 0.38; }
  35% { transform: translateY(-9px); opacity: 1; }
}

.answer-form {
  position: relative;
  z-index: 1;
  margin-top: 20px;
}

.answer-form label {
  display: block;
  margin-bottom: 8px;
  color: var(--ink);
  font-size: 0.9rem;
  font-weight: 780;
}

.answer-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
}

.answer-row input {
  min-width: 0;
  height: 52px;
  padding: 0 16px;
  border: 1px solid var(--line);
  border-radius: 14px;
  outline: 0;
  background: var(--surface);
  color: var(--ink);
  box-shadow: inset 0 1px 2px rgba(15, 14, 35, 0.03);
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}

.answer-row input::placeholder {
  color: color-mix(in srgb, var(--ink-soft) 64%, transparent);
}

.answer-row input:hover:not(:disabled),
.answer-row input:focus {
  border-color: color-mix(in srgb, var(--accent) 60%, var(--line));
}

.answer-row input.is-wrong {
  border-color: var(--danger);
  background: var(--danger-soft);
  animation: shake 320ms ease;
}

.answer-row input.is-correct {
  border-color: var(--success);
  background: var(--success-soft);
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-5px); }
  75% { transform: translateX(5px); }
}

.primary-button,
.secondary-button,
.text-button {
  border-radius: 13px;
  font-weight: 800;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), border-color var(--transition);
}

.primary-button {
  min-height: 48px;
  padding: 0 19px;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #fff;
  box-shadow: 0 8px 18px rgba(102, 87, 232, 0.2);
}

.primary-button:hover:not(:disabled) {
  transform: translateY(-1px);
  background: var(--accent-strong);
  box-shadow: var(--shadow-accent);
}

.secondary-button {
  min-height: 44px;
  padding: 0 14px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink);
}

.secondary-button:hover:not(:disabled) {
  transform: translateY(-1px);
  border-color: color-mix(in srgb, var(--accent) 55%, var(--line));
  background: var(--accent-soft);
}

.text-button {
  min-height: 42px;
  padding: 0 8px;
  border: 0;
  background: transparent;
  color: var(--ink-soft);
}

.text-button:hover:not(:disabled) {
  color: var(--ink);
}

.feedback {
  min-height: 28px;
  margin: 10px 0 0;
  font-size: 0.9rem;
  font-weight: 750;
}

.feedback.is-success { color: var(--success); }
.feedback.is-error { color: var(--danger); }
.feedback.is-close { color: var(--warning); }

.hint-panel,
.answer-reveal {
  margin-top: 10px;
  padding: 12px 14px;
  border-radius: 13px;
  font-size: 0.9rem;
}

.hint-panel {
  border: 1px solid color-mix(in srgb, var(--warning) 28%, var(--line));
  background: var(--warning-soft);
  color: color-mix(in srgb, var(--warning) 80%, var(--ink));
}

.hint-panel strong,
.answer-reveal strong {
  color: var(--ink);
}

.answer-reveal {
  border: 1px solid color-mix(in srgb, var(--success) 28%, var(--line));
  background: var(--success-soft);
  color: var(--ink-soft);
}

.answer-reveal .answer-value {
  display: block;
  margin-bottom: 4px;
  color: var(--success);
  font-size: 1.05rem;
  font-weight: 900;
  text-transform: capitalize;
}

.game-actions {
  position: relative;
  z-index: 1;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 15px;
}

.next-button,
.share-button {
  margin-left: auto;
}

.keyboard-tip {
  position: relative;
  z-index: 1;
  margin: 14px 0 0;
  color: var(--ink-soft);
  font-size: 0.72rem;
  text-align: center;
}

kbd {
  display: inline-grid;
  place-items: center;
  min-width: 21px;
  min-height: 19px;
  margin: 0 2px;
  padding: 0 5px;
  border: 1px solid var(--line);
  border-bottom-width: 2px;
  border-radius: 5px;
  background: var(--surface-3);
  color: var(--ink-soft);
  font-family: inherit;
  font-size: 0.68rem;
  font-weight: 800;
}

.side-panel {
  display: grid;
  gap: 14px;
}

.stats-card {
  padding: 22px;
  border-radius: var(--radius-md);
}

.stats-heading {
  gap: 14px;
}

.stats-heading h2 {
  margin: 0;
  font-size: 1.35rem;
}

.stats-heading .eyebrow {
  margin-bottom: 5px;
}

.streak-flame {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 15px;
  background: var(--warning-soft);
  font-size: 1.65rem;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-top: 22px;
}

.stat {
  padding: 13px 8px;
  border-radius: 13px;
  background: var(--surface-2);
  text-align: center;
}

.stat strong,
.stat span {
  display: block;
}

.stat strong {
  font-size: 1.45rem;
  line-height: 1;
}

.stat span {
  margin-top: 7px;
  color: var(--ink-soft);
  font-size: 0.67rem;
  font-weight: 760;
  line-height: 1.2;
}

.progress-block {
  margin-top: 20px;
}

.progress-label {
  gap: 12px;
  margin-bottom: 8px;
  color: var(--ink-soft);
  font-size: 0.75rem;
}

.progress-label strong {
  color: var(--ink);
}

.progress-track {
  height: 8px;
  overflow: hidden;
  border-radius: 999px;
  background: var(--surface-3);
}

.progress-track span {
  display: block;
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent), #9e70f7);
  transition: width 420ms cubic-bezier(.22, .7, .2, 1);
}

.quick-card {
  display: flex;
  align-items: flex-start;
  gap: 13px;
  padding: 17px;
  border-radius: 17px;
}

.quick-icon {
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--accent-soft);
  font-size: 1.25rem;
}

.quick-card strong {
  font-size: 0.94rem;
}

.quick-card p {
  margin: 4px 0 0;
  font-size: 0.78rem;
  line-height: 1.5;
}

.trust-strip {
  width: min(calc(100% - 32px), var(--max-width));
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

.trust-strip > div {
  padding: 20px 16px;
  text-align: center;
}

.trust-strip > div + div {
  border-left: 1px solid var(--line);
}

.trust-strip strong,
.trust-strip span {
  display: block;
}

.trust-strip strong {
  font-size: 1.45rem;
}

.trust-strip span {
  margin-top: 3px;
  color: var(--ink-soft);
  font-size: 0.76rem;
}

.content-section {
  width: min(calc(100% - 32px), var(--max-width));
  margin: 0 auto;
  padding: clamp(70px, 9vw, 120px) 0 0;
}

.section-heading {
  max-width: 700px;
  margin: 0 auto 32px;
  text-align: center;
}

.section-heading > p:last-child {
  max-width: 610px;
  margin: 0 auto;
}

.example-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.example-card {
  min-height: 350px;
  overflow: hidden;
  border-radius: var(--radius-md);
}

.example-card > div:last-child {
  padding: 21px;
}

.mini-rebus {
  display: flex;
  min-height: 190px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 20px;
  background:
    radial-gradient(circle at 15% 15%, rgba(102, 87, 232, 0.12), transparent 42%),
    var(--surface-2);
  font-weight: 900;
  letter-spacing: 0.06em;
}

.mini-rebus.horizontal {
  flex-direction: row;
}

.mini-rebus.emoji {
  flex-direction: row;
  font-size: 3rem;
}

.step-number {
  display: inline-block;
  margin-bottom: 9px;
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 900;
}

.example-card p {
  margin: 0;
  font-size: 0.9rem;
}

.split-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, 0.9fr);
  gap: 24px;
  align-items: stretch;
}

.copy-card {
  padding: clamp(28px, 4vw, 48px);
  border-radius: var(--radius-lg);
}

.copy-card > p:not(.eyebrow) {
  font-size: 1rem;
}

.check-list {
  display: grid;
  gap: 12px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 30px;
  color: var(--ink-soft);
}

.check-list li::before {
  content: "✓";
  position: absolute;
  top: 0;
  left: 0;
  display: grid;
  place-items: center;
  width: 21px;
  height: 21px;
  border-radius: 50%;
  background: var(--success-soft);
  color: var(--success);
  font-size: 0.72rem;
  font-weight: 900;
}

.feature-visual {
  position: relative;
  min-height: 460px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 50% 50%, color-mix(in srgb, var(--accent) 22%, transparent), transparent 29%),
    linear-gradient(145deg, #29254d, #171629);
  box-shadow: var(--shadow-md);
}

.feature-visual::before,
.feature-visual::after {
  content: "";
  position: absolute;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 50%;
}

.feature-visual::before {
  inset: 16%;
}

.feature-visual::after {
  inset: 28%;
}

.feature-center,
.floating-tile {
  position: absolute;
  display: grid;
  place-items: center;
  color: #fff;
}

.feature-center {
  top: 50%;
  left: 50%;
  width: 150px;
  height: 150px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 22px 45px rgba(0, 0, 0, 0.24);
  transform: translate(-50%, -50%);
  backdrop-filter: blur(10px);
}

.feature-center span,
.feature-center small {
  position: absolute;
}

.feature-center span {
  top: 25px;
  font-size: 3.6rem;
  font-weight: 950;
}

.feature-center small {
  bottom: 28px;
  font-weight: 750;
}

.floating-tile {
  width: 78px;
  height: 78px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.09);
  box-shadow: 0 16px 35px rgba(0, 0, 0, 0.22);
  font-size: 1rem;
  font-weight: 900;
  backdrop-filter: blur(10px);
  animation: float 5s ease-in-out infinite;
}

.tile-a { top: 14%; left: 13%; transform: rotate(-8deg); }
.tile-b { top: 17%; right: 13%; transform: rotate(9deg); animation-delay: 0.8s; font-size: 2rem; }
.tile-c { bottom: 15%; left: 15%; transform: rotate(7deg); animation-delay: 1.3s; font-size: 1.8rem; }
.tile-d { right: 12%; bottom: 13%; transform: rotate(-7deg); animation-delay: 2s; color: #7ff0bc; }

@keyframes float {
  0%, 100% { translate: 0 0; }
  50% { translate: 0 -10px; }
}

.faq-section {
  padding-bottom: 0;
}

.faq-list {
  max-width: 820px;
  margin: 0 auto;
  display: grid;
  gap: 11px;
}

.faq-list details {
  overflow: hidden;
  border-radius: 16px;
}

.faq-list summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 19px 21px;
  color: var(--ink);
  font-weight: 820;
  list-style: none;
  cursor: pointer;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary span {
  flex: 0 0 auto;
  color: var(--accent);
  font-size: 1.4rem;
  transition: transform var(--transition);
}

.faq-list details[open] summary span {
  transform: rotate(45deg);
}

.faq-list details p {
  margin: 0;
  padding: 0 21px 20px;
  font-size: 0.92rem;
}

.cta-section {
  width: min(calc(100% - 32px), var(--max-width));
  margin: clamp(70px, 9vw, 120px) auto 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: clamp(28px, 5vw, 52px);
  border-radius: var(--radius-lg);
  background: linear-gradient(125deg, #5e4de4, #7f5ee5 55%, #a66de9);
  box-shadow: var(--shadow-accent);
  color: #fff;
}

.cta-section .eyebrow,
.cta-section p {
  color: rgba(255, 255, 255, 0.78);
}

.cta-section h2 {
  margin-bottom: 8px;
}

.cta-section p:last-child {
  margin: 0;
}

.cta-button {
  flex: 0 0 auto;
  min-height: 54px;
  border-color: #fff;
  background: #fff;
  color: #4e3ec5;
  box-shadow: 0 12px 26px rgba(27, 14, 90, 0.22);
}

.cta-button:hover:not(:disabled) {
  background: #fff;
  color: #3d2eb8;
}

.site-footer {
  margin-top: 70px;
  border-top: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface) 55%, var(--bg));
}

.footer-inner {
  display: grid;
  grid-template-columns: auto minmax(180px, 1fr) auto;
  gap: 18px 28px;
  align-items: center;
  padding: 36px 0;
}

.footer-brand .brand-mark {
  width: 34px;
  height: 34px;
}

.footer-inner p {
  margin: 0;
  font-size: 0.83rem;
}

.footer-inner nav {
  display: flex;
  gap: 18px;
  color: var(--ink-soft);
  font-size: 0.83rem;
  font-weight: 700;
}

.footer-inner nav a:hover {
  color: var(--accent);
}

.copyright {
  grid-column: 1 / -1;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  text-align: center;
}

.toast {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 300;
  max-width: min(360px, calc(100% - 36px));
  padding: 12px 16px;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: var(--ink);
  color: var(--surface);
  box-shadow: var(--shadow-md);
  font-size: 0.85rem;
  font-weight: 750;
  opacity: 0;
  transform: translateY(18px);
  pointer-events: none;
  transition: opacity var(--transition), transform var(--transition);
}

.toast.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.confetti-layer {
  position: fixed;
  inset: 0;
  z-index: 250;
  overflow: hidden;
  pointer-events: none;
}

.confetti {
  position: absolute;
  top: -20px;
  width: 8px;
  height: 14px;
  border-radius: 2px;
  animation: confetti-fall 1.6s cubic-bezier(.16, .62, .38, 1) forwards;
}

@keyframes confetti-fall {
  to {
    translate: var(--drift, 0) 105vh;
    rotate: var(--spin, 540deg);
    opacity: 0;
  }
}

.noscript {
  position: fixed;
  inset: auto 15px 15px;
  z-index: 999;
  padding: 12px 16px;
  border-radius: 12px;
  background: var(--danger);
  color: #fff;
  text-align: center;
}

@media (max-width: 940px) {
  .game-layout,
  .split-section {
    grid-template-columns: 1fr;
  }

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

  .stats-card {
    grid-column: 1 / -1;
  }

  .feature-visual {
    min-height: 390px;
  }
}

@media (max-width: 760px) {
  :root {
    --header-height: 64px;
  }

  .hero {
    padding-top: 38px;
  }

  .hero-copy {
    margin-bottom: 26px;
  }

  .game-card {
    border-radius: 22px;
  }

  .puzzle-stage {
    min-height: 270px;
  }

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

  .trust-strip > div:nth-child(3) {
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .trust-strip > div:nth-child(4) {
    border-top: 1px solid var(--line);
  }

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

  .example-card {
    display: grid;
    grid-template-columns: minmax(150px, 0.75fr) 1fr;
    min-height: 0;
  }

  .mini-rebus {
    min-height: 210px;
  }

  .cta-section {
    align-items: flex-start;
    flex-direction: column;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer-brand,
  .footer-inner nav {
    justify-content: center;
  }
}

@media (max-width: 560px) {
  .header-inner,
  .footer-inner,
  .hero,
  .content-section,
  .trust-strip,
  .cta-section {
    width: min(calc(100% - 22px), var(--max-width));
  }

  .brand-name {
    font-size: 1.05rem;
  }

  .brand-mark {
    width: 35px;
    height: 35px;
  }

  .icon-button {
    width: 37px;
    height: 37px;
  }

  .game-card {
    padding: 15px;
  }

  .game-toolbar {
    align-items: stretch;
    flex-direction: column;
  }

  .mode-switch,
  .difficulty-control,
  .difficulty-control select {
    width: 100%;
  }

  .mode-button {
    flex: 1;
  }

  .puzzle-stage {
    min-height: 245px;
    border-radius: 17px;
  }

  .answer-row {
    grid-template-columns: 1fr;
  }

  .answer-row .primary-button {
    width: 100%;
  }

  .game-actions {
    justify-content: flex-start;
  }

  .next-button,
  .share-button {
    width: 100%;
    margin-left: 0;
  }

  .keyboard-tip {
    display: none;
  }

  .side-panel {
    grid-template-columns: 1fr;
  }

  .stats-card {
    grid-column: auto;
  }

  .example-card {
    display: block;
  }

  .mini-rebus {
    min-height: 180px;
  }

  .feature-visual {
    min-height: 340px;
  }

  .floating-tile {
    width: 64px;
    height: 64px;
  }

  .feature-center {
    width: 130px;
    height: 130px;
  }

  .feature-center span {
    top: 20px;
    font-size: 3rem;
  }

  .feature-center small {
    bottom: 24px;
  }

  .trust-strip > div {
    padding: 16px 10px;
  }

  .trust-strip strong {
    font-size: 1.25rem;
  }
}

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

/* Keep the full game controls above the fold on common 768px-tall laptops. */
@media (min-width: 941px) and (max-height: 820px) {
  .hero {
    padding-top: 18px;
  }

  .hero-copy {
    margin-bottom: 12px;
  }

  .hero-copy .eyebrow {
    margin-bottom: 5px;
  }

  h1 {
    margin-bottom: 8px;
    font-size: clamp(2.7rem, 4vw, 3.25rem);
  }

  .hero-copy > p:last-child {
    font-size: 1rem;
  }

  .game-card {
    padding-top: 20px;
    padding-bottom: 20px;
  }

  .game-toolbar {
    margin-bottom: 13px;
  }

  .puzzle-meta {
    margin-bottom: 8px;
  }

  .puzzle-stage {
    min-height: 215px;
  }

  .answer-form {
    margin-top: 14px;
  }
}

/* =========================================================
   RebusFun V2 — competitive game experience
   ========================================================= */

:root {
  --accent: #6d4aff;
  --accent-strong: #5a38ee;
  --accent-soft: #eeeaff;
  --orange: #ff9738;
  --orange-soft: #fff1e2;
  --cyan-soft: #e8f8ff;
  --max-width: 1220px;
}

[hidden] { display: none !important; }

.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-left: auto;
  margin-right: 28px;
  color: var(--ink-soft);
  font-size: 0.86rem;
  font-weight: 760;
}

.main-nav a {
  position: relative;
  padding: 7px 0;
}

.main-nav a::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 1px;
  left: 0;
  height: 2px;
  border-radius: 999px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform var(--transition);
}

.main-nav a:hover { color: var(--ink); }
.main-nav a:hover::after { transform: scaleX(1); }

.header-score {
  display: inline-flex;
  min-height: 38px;
  align-items: center;
  gap: 6px;
  padding: 0 11px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
  color: var(--ink-soft);
  font-size: 0.78rem;
}

.header-score span { color: var(--orange); }
.header-score strong { color: var(--ink); font-size: 0.86rem; }
.icon-button.is-muted { opacity: 0.55; }

.hero {
  padding-top: 28px;
}

.hero-copy {
  max-width: none;
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(260px, 0.65fr);
  align-items: end;
  gap: 46px;
  margin: 0 0 24px;
  text-align: left;
}

.hero-copy h1 {
  max-width: 780px;
  margin: 0;
  font-size: clamp(2.35rem, 4.5vw, 4rem);
  letter-spacing: -0.055em;
}

.hero-copy > p:last-child {
  max-width: 440px;
  margin: 0 0 5px;
  font-size: 1rem;
  line-height: 1.7;
}

.game-layout {
  grid-template-columns: minmax(0, 1.68fr) minmax(290px, 0.72fr);
  gap: 20px;
}

.game-card {
  padding: clamp(18px, 2.35vw, 28px);
  border-radius: 26px;
}

.filter-controls {
  display: flex;
  align-items: center;
  gap: 8px;
}

.select-control { position: relative; }

.select-control select {
  min-height: 40px;
  max-width: 155px;
  padding: 0 32px 0 11px;
  border: 1px solid var(--line);
  border-radius: 11px;
  outline: 0;
  background: var(--surface) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 20 20'%3E%3Cpath fill='%23626076' d='m5 7 5 5 5-5z'/%3E%3C/svg%3E") no-repeat right 9px center;
  color: var(--ink);
  font-size: 0.79rem;
  font-weight: 720;
  appearance: none;
}

.select-control select:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--accent) 25%, transparent);
  outline-offset: 2px;
}

.daily-track {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  width: min(420px, 100%);
  margin: -2px auto 18px;
}

.daily-dot {
  position: relative;
  z-index: 2;
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  width: 29px;
  height: 29px;
  padding: 0;
  border: 2px solid var(--line);
  border-radius: 50%;
  background: var(--surface);
  color: var(--ink-soft);
  font-size: 0.7rem;
  font-weight: 900;
  transition: transform var(--transition), border-color var(--transition), background var(--transition), color var(--transition);
}

.daily-dot:not(:disabled):hover { transform: translateY(-1px) scale(1.05); }
.daily-dot.is-current { border-color: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); color: var(--accent); }
.daily-dot.is-solved { border-color: var(--success); background: var(--success); color: #fff; }
.daily-dot.is-revealed { border-color: var(--warning); background: var(--warning-soft); color: var(--warning); }
.daily-dot:disabled { opacity: 0.52; }

.daily-line {
  width: clamp(22px, 6vw, 58px);
  height: 2px;
  background: var(--line);
}

.meta-badges {
  display: flex;
  align-items: center;
  gap: 7px;
}

.points-badge {
  padding: 5px 9px;
  border-radius: 999px;
  background: var(--orange-soft);
  color: #bc5b0f;
  font-size: 0.71rem;
  font-weight: 850;
}

.puzzle-stage {
  min-height: 270px;
  border-radius: 20px;
  background:
    radial-gradient(circle at 16% 15%, color-mix(in srgb, var(--accent) 10%, transparent), transparent 29%),
    radial-gradient(circle at 87% 84%, color-mix(in srgb, var(--orange) 9%, transparent), transparent 25%),
    linear-gradient(145deg, color-mix(in srgb, var(--surface-2) 66%, var(--surface)), var(--surface));
}

.puzzle-svg {
  position: absolute;
  inset: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.puzzle-element {
  animation: element-in 280ms both cubic-bezier(.2, .8, .2, 1);
}

@keyframes element-in {
  from { opacity: 0; filter: blur(4px); scale: .94; }
  to { filter: blur(0); scale: 1; }
}

.answer-shape {
  position: relative;
  z-index: 1;
  display: flex;
  min-height: 23px;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin: 12px 0 -6px;
}

.answer-word {
  display: inline-flex;
  gap: 3px;
}

.answer-word i {
  display: block;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: color-mix(in srgb, var(--ink-soft) 42%, transparent);
}

.answer-form { margin-top: 15px; }
.answer-row input { height: 50px; }
.primary-button { min-height: 48px; }

.primary-button small,
.secondary-button small {
  margin-left: 4px;
  font-size: 0.68em;
  font-weight: 700;
  opacity: 0.72;
}

.assist-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 10px;
  padding: 11px 12px 11px 14px;
  border: 1px solid color-mix(in srgb, var(--accent) 25%, var(--line));
  border-radius: 14px;
  background: var(--accent-soft);
}

.assist-panel strong,
.assist-panel span { display: block; }
.assist-panel strong { font-size: 0.84rem; }
.assist-panel span { margin-top: 2px; color: var(--ink-soft); font-size: 0.72rem; }

.mini-button {
  flex: 0 0 auto;
  min-height: 36px;
  padding: 0 11px;
  border: 1px solid color-mix(in srgb, var(--accent) 35%, var(--line));
  border-radius: 10px;
  background: var(--surface);
  color: var(--accent);
  font-size: 0.74rem;
  font-weight: 850;
}

.choice-panel {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin-top: 10px;
}

.choice-button {
  min-height: 46px;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
  color: var(--ink);
  font-size: 0.8rem;
  font-weight: 760;
  transition: transform var(--transition), border-color var(--transition), background var(--transition);
}

.choice-button:hover:not(:disabled) {
  transform: translateY(-1px);
  border-color: var(--accent);
  background: var(--accent-soft);
}

.choice-button.is-correct { border-color: var(--success); background: var(--success-soft); color: var(--success); }
.choice-button.is-wrong { border-color: var(--danger); background: var(--danger-soft); color: var(--danger); }

.hint-panel {
  display: grid;
  gap: 4px;
}

.hint-panel .hint-step {
  color: var(--warning);
  font-size: 0.67rem;
  font-weight: 900;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.hint-panel strong { font-size: 0.9rem; }
.hint-panel small { color: var(--ink-soft); }
.letter-pattern { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; letter-spacing: .08em; }

.answer-reveal {
  display: grid;
  gap: 5px;
}

.reveal-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--ink-soft);
  font-size: 0.68rem;
  font-weight: 850;
  letter-spacing: .07em;
  text-transform: uppercase;
}

.score-earned { color: var(--success); }
.answer-reveal .answer-value { margin: 0; line-height: 1.2; }
.why-copy { color: var(--ink-soft); font-size: .82rem; }
.why-copy b { color: var(--ink); }
.report-link { margin-top: 3px; color: var(--ink-soft); font-size: .67rem; text-decoration: underline; text-underline-offset: 2px; }

.game-actions { min-height: 46px; }
.next-button + .share-button { margin-left: 0; }

.run-detail {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  margin-top: 15px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.run-detail > span {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 8px;
  padding: 9px 10px;
  border-radius: 11px;
  background: color-mix(in srgb, var(--surface-2) 68%, var(--surface));
}

.run-detail small { max-width: 80px; color: var(--ink-soft); font-size: .63rem; line-height: 1.25; }
.run-detail strong { font-size: 1rem; }

.tip-card,
.quick-play-card {
  border: 1px solid var(--line);
  border-radius: 17px;
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

.tip-card {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px;
}

.tip-icon {
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 1.1rem;
  font-weight: 900;
}

.tip-card strong { font-size: .88rem; }
.tip-card p { margin: 4px 0 0; font-size: .74rem; line-height: 1.5; }

.quick-play-card { padding: 16px; }
.quick-play-card .eyebrow { margin-bottom: 3px; }
.quick-play-card h3 { margin: 0 0 12px; font-size: 1rem; }

.quick-mode-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 7px;
}

.quick-mode-grid button {
  display: flex;
  min-height: 38px;
  align-items: center;
  gap: 7px;
  padding: 0 9px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: color-mix(in srgb, var(--surface-2) 65%, var(--surface));
  color: var(--ink);
  font-size: .72rem;
  font-weight: 780;
}

.quick-mode-grid button:hover { border-color: var(--accent); background: var(--accent-soft); }
.quick-mode-grid span { font-size: 1rem; }

.proof-strip {
  width: min(calc(100% - 32px), var(--max-width));
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

.proof-strip > div { padding: 19px 16px; text-align: center; }
.proof-strip > div + div { border-left: 1px solid var(--line); }
.proof-strip strong,
.proof-strip span { display: block; }
.proof-strip strong { font-size: 1.35rem; }
.proof-strip span { margin-top: 2px; color: var(--ink-soft); font-size: .74rem; }

.left-heading {
  max-width: none;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  text-align: left;
}

.left-heading h2 { margin: 0; }
.inline-link { flex: 0 0 auto; padding-bottom: 7px; color: var(--accent); font-size: .86rem; font-weight: 820; }
.inline-link:hover { text-decoration: underline; text-underline-offset: 3px; }

.collection-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 15px;
}

.collection-card {
  position: relative;
  display: flex;
  min-height: 310px;
  overflow: hidden;
  flex-direction: column;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 21px;
  background: var(--surface);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.collection-card:hover {
  transform: translateY(-4px);
  border-color: color-mix(in srgb, var(--accent) 34%, var(--line));
  box-shadow: var(--shadow-md);
}

.collection-card::before {
  content: "";
  position: absolute;
  top: -45px;
  right: -45px;
  width: 135px;
  height: 135px;
  border-radius: 50%;
  background: var(--accent-soft);
  opacity: .7;
}

.collection-emoji::before { background: #e9f8ff; }
.collection-words::before { background: #eeeaff; }
.collection-easy::before { background: #e6f8f0; }
.collection-hard::before { background: #fff0e7; }

.collection-art {
  position: relative;
  z-index: 1;
  display: grid;
  width: 100%;
  min-height: 88px;
  place-items: center;
  margin-bottom: 19px;
  border-radius: 15px;
  background: color-mix(in srgb, var(--surface-2) 65%, var(--surface));
  font-size: 2.2rem;
  font-weight: 900;
}

.stacked-words { align-content: center; gap: 0; font-size: 1.08rem; }
.stacked-words b:first-child { translate: 8px 0; }
.stacked-words b:last-child { translate: -8px 0; }
.collection-count { color: var(--accent); font-size: .66rem; font-weight: 900; letter-spacing: .07em; text-transform: uppercase; }
.collection-card h3 { margin: 6px 0 7px; }
.collection-card p { margin: 0; font-size: .79rem; line-height: 1.55; }

.collection-play {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  padding: 15px 0 0;
  border: 0;
  border-top: 1px solid var(--line);
  background: transparent;
  color: var(--ink);
  font-size: .78rem;
  font-weight: 850;
  text-align: left;
}

.collection-play:hover { color: var(--accent); }

.how-section .section-heading { max-width: 760px; }

.method-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
}

.method-grid article {
  padding: 19px 17px;
  border: 1px solid var(--line);
  border-radius: 17px;
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

.method-grid article > span {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  margin-bottom: 18px;
  border-radius: 11px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 1rem;
  font-weight: 950;
}

.method-grid h3 { font-size: .96rem; }
.method-grid p { margin: 0; font-size: .74rem; line-height: 1.55; }

.experience-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, .85fr);
  gap: 28px;
  align-items: center;
}

.experience-copy { padding: 20px 0; }
.experience-copy > p:not(.eyebrow) { max-width: 670px; }

.experience-demo {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 25px;
  background: linear-gradient(145deg, color-mix(in srgb, var(--accent-soft) 70%, var(--surface)), var(--surface));
  box-shadow: var(--shadow-md);
}

.demo-top { display: flex; align-items: center; justify-content: space-between; color: var(--ink-soft); font-size: .75rem; font-weight: 850; }
.demo-top strong { color: var(--ink); }
.demo-dots { display: grid; grid-template-columns: repeat(5, 1fr); gap: 6px; margin: 12px 0 16px; }
.demo-dots i { height: 7px; border-radius: 999px; background: var(--surface-3); }
.demo-dots i.done { background: var(--success); }
.demo-rebus { display: grid; min-height: 190px; place-content: center; gap: 0; border-radius: 17px; background: var(--surface); font-size: 1.65rem; font-weight: 950; text-align: center; box-shadow: inset 0 0 0 1px var(--line); }
.demo-rebus span:last-child { color: var(--accent); }
.demo-answer { display: grid; gap: 2px; margin-top: 12px; padding: 12px; border-radius: 13px; background: var(--success-soft); }
.demo-answer span { color: var(--success); font-size: .65rem; font-weight: 900; letter-spacing: .06em; text-transform: uppercase; }
.demo-answer small { color: var(--ink-soft); }

.modal-open { overflow: hidden; }
.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 500;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(13, 11, 30, .62);
  backdrop-filter: blur(8px);
}

.summary-modal {
  position: relative;
  width: min(100%, 520px);
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: 26px;
  outline: 0;
  background: var(--surface);
  box-shadow: 0 34px 100px rgba(0, 0, 0, .32);
  text-align: center;
  animation: modal-in 220ms ease-out both;
}

@keyframes modal-in { from { opacity: 0; transform: translateY(14px) scale(.97); } }
.modal-close { position: absolute; top: 13px; right: 13px; width: 36px; height: 36px; border: 1px solid var(--line); border-radius: 11px; background: var(--surface-2); color: var(--ink-soft); font-size: 1.3rem; }
.summary-icon { display: grid; width: 58px; height: 58px; place-items: center; margin: 0 auto 14px; border-radius: 18px; background: var(--orange-soft); font-size: 1.8rem; }
.summary-modal h2 { margin-bottom: 8px; font-size: 2rem; }
.summary-modal > p:not(.eyebrow) { margin-bottom: 22px; }
.summary-modal > small { display: block; margin-top: 15px; color: var(--ink-soft); }

.summary-score-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-bottom: 17px;
}

.summary-score-grid div { padding: 13px 8px; border-radius: 13px; background: var(--surface-2); }
.summary-score-grid strong,
.summary-score-grid span { display: block; }
.summary-score-grid strong { font-size: 1.35rem; }
.summary-score-grid span { margin-top: 4px; color: var(--ink-soft); font-size: .66rem; }

.result-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 7px; margin: 0 auto 20px; }
.result-grid span { display: grid; aspect-ratio: 1; place-items: center; border-radius: 11px; color: #fff; font-size: 1.1rem; font-weight: 900; }
.result-grid .is-clean { background: var(--success); }
.result-grid .is-helped { background: #d9a40e; }
.result-grid .is-revealed { background: var(--surface-3); color: var(--ink-soft); }
.summary-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 9px; }

.load-error { display: grid; height: 100%; place-items: center; padding: 30px; color: var(--ink-soft); text-align: center; }
.load-error strong,
.load-error span { display: block; }
.load-error strong { margin-bottom: 6px; color: var(--ink); }

/* Puzzle library page */
.library-main { width: min(calc(100% - 32px), var(--max-width)); margin: 0 auto; padding: 46px 0 70px; overflow: visible; }
.library-hero { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(280px, .7fr); align-items: end; gap: 35px; margin-bottom: 27px; }
.library-hero h1 { margin-bottom: 10px; }
.library-hero p:last-child { margin: 0; }
.library-summary { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.library-summary div { padding: 15px 10px; border: 1px solid var(--line); border-radius: 14px; background: var(--surface); text-align: center; box-shadow: var(--shadow-sm); }
.library-summary strong,
.library-summary span { display: block; }
.library-summary strong { font-size: 1.25rem; }
.library-summary span { margin-top: 3px; color: var(--ink-soft); font-size: .67rem; }
.library-toolbar { position: sticky; top: calc(var(--header-height) + 10px); z-index: 20; display: grid; grid-template-columns: minmax(220px, 1fr) auto auto; gap: 9px; margin-bottom: 20px; padding: 10px; border: 1px solid var(--line); border-radius: 16px; background: color-mix(in srgb, var(--surface) 91%, transparent); box-shadow: var(--shadow-sm); backdrop-filter: blur(14px); }
.library-search { position: relative; }
.library-search input { width: 100%; height: 43px; padding: 0 15px 0 40px; border: 1px solid var(--line); border-radius: 11px; outline: 0; background: var(--surface); color: var(--ink); }
.library-search svg { position: absolute; top: 50%; left: 13px; width: 17px; height: 17px; fill: var(--ink-soft); transform: translateY(-50%); }
.library-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.library-card { overflow: hidden; border: 1px solid var(--line); border-radius: 18px; background: var(--surface); box-shadow: var(--shadow-sm); transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition); }
.library-card:hover { transform: translateY(-3px); border-color: color-mix(in srgb, var(--accent) 34%, var(--line)); box-shadow: var(--shadow-md); }
.library-preview { position: relative; min-height: 170px; overflow: hidden; background: linear-gradient(145deg, var(--surface-2), var(--surface)); }
.library-card-copy { padding: 14px; }
.library-card-top { display: flex; align-items: center; justify-content: space-between; gap: 7px; }
.library-card-top span { color: var(--ink-soft); font-size: .64rem; font-weight: 850; letter-spacing: .05em; text-transform: uppercase; }
.library-card h2 { margin: 9px 0 6px; font-size: 1rem; }
.library-card p { min-height: 38px; margin: 0; font-size: .73rem; line-height: 1.45; }
.library-card a { display: flex; align-items: center; justify-content: space-between; margin-top: 13px; padding-top: 12px; border-top: 1px solid var(--line); color: var(--accent); font-size: .75rem; font-weight: 850; }
.solved-mark { color: var(--success) !important; }
.library-empty { grid-column: 1 / -1; padding: 55px 20px; border: 1px dashed var(--line); border-radius: 18px; color: var(--ink-soft); text-align: center; }
.load-more-wrap { display: flex; justify-content: center; margin-top: 24px; }
.library-count-copy { margin: 0 0 14px; color: var(--ink-soft); font-size: .78rem; }

@media (max-width: 1020px) {
  .main-nav { display: none; }
  .hero-copy { grid-template-columns: 1fr; gap: 10px; text-align: center; }
  .hero-copy h1 { margin-inline: auto; }
  .hero-copy > p:last-child { max-width: 660px; margin-inline: auto; }
  .collection-grid { grid-template-columns: repeat(2, 1fr); }
  .method-grid { grid-template-columns: repeat(3, 1fr); }
  .method-grid article:nth-child(4),
  .method-grid article:nth-child(5) { grid-column: span 1; }
  .library-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 940px) {
  .side-panel { grid-template-columns: repeat(2, 1fr); }
  .stats-card { grid-column: 1 / -1; }
  .experience-section { grid-template-columns: 1fr; }
  .experience-demo { max-width: 620px; width: 100%; margin: 0 auto; }
}

@media (max-width: 760px) {
  .header-score { display: none; }
  .hero { padding-top: 28px; }
  .hero-copy h1 { font-size: clamp(2.15rem, 10vw, 3.2rem); }
  .proof-strip { grid-template-columns: repeat(2, 1fr); }
  .proof-strip > div:nth-child(3) { border-top: 1px solid var(--line); border-left: 0; }
  .proof-strip > div:nth-child(4) { border-top: 1px solid var(--line); }
  .method-grid { grid-template-columns: repeat(2, 1fr); }
  .method-grid article:last-child { grid-column: 1 / -1; }
  .library-hero { grid-template-columns: 1fr; }
  .library-grid { grid-template-columns: repeat(2, 1fr); }
  .library-toolbar { grid-template-columns: 1fr 1fr; }
  .library-search { grid-column: 1 / -1; }
}

@media (max-width: 560px) {
  .header-actions { gap: 5px; }
  .hero-copy { margin-bottom: 18px; }
  .hero-copy .eyebrow { margin-bottom: 7px; }
  .hero-copy > p:last-child { font-size: .9rem; line-height: 1.6; }
  .game-toolbar { gap: 9px; }
  .filter-controls { display: grid; grid-template-columns: 1fr 1fr; width: 100%; }
  .select-control,
  .select-control select { width: 100%; max-width: none; }
  .daily-track { margin-bottom: 14px; }
  .daily-line { width: min(10vw, 35px); }
  .puzzle-meta { align-items: flex-start; }
  .meta-badges { align-items: flex-end; flex-direction: column-reverse; gap: 4px; }
  .points-badge,
  .difficulty-badge { font-size: .63rem; }
  .puzzle-stage { min-height: 220px; }
  .answer-shape { gap: 8px; }
  .answer-word { gap: 2px; }
  .answer-word i { width: 4px; height: 4px; }
  .assist-panel { align-items: stretch; flex-direction: column; }
  .mini-button { width: 100%; }
  .choice-panel { grid-template-columns: 1fr; }
  .side-panel { grid-template-columns: 1fr; }
  .tip-card,
  .quick-play-card { display: none; }
  .proof-strip { width: min(calc(100% - 22px), var(--max-width)); }
  .collection-grid { grid-template-columns: 1fr; }
  .collection-card { min-height: 285px; }
  .left-heading { align-items: flex-start; flex-direction: column; }
  .method-grid { grid-template-columns: 1fr; }
  .method-grid article:last-child { grid-column: auto; }
  .experience-demo { padding: 14px; }
  .demo-rebus { min-height: 160px; }
  .summary-modal { padding: 29px 18px 21px; }
  .summary-actions { grid-template-columns: 1fr; }
  .library-main { width: min(calc(100% - 22px), var(--max-width)); padding-top: 28px; }
  .library-summary { grid-template-columns: repeat(3, 1fr); }
  .library-summary div { padding: 11px 5px; }
  .library-toolbar { grid-template-columns: 1fr; top: calc(var(--header-height) + 7px); }
  .library-search { grid-column: auto; }
  .library-grid { grid-template-columns: 1fr; }
  .library-preview { min-height: 190px; }
}

/* Preserve the first complete interaction on short laptop screens. */
@media (min-width: 941px) and (max-height: 820px) {
  .hero { padding-top: 14px; }
  .hero-copy { margin-bottom: 13px; }
  .hero-copy h1 { font-size: clamp(2.25rem, 3.55vw, 3.25rem); }
  .game-card { padding: 18px 21px; }
  .game-toolbar { margin-bottom: 11px; }
  .daily-track { margin-bottom: 10px; }
  .puzzle-stage { min-height: 205px; }
  .answer-shape { margin-top: 9px; }
  .answer-form { margin-top: 10px; }
  .answer-row input { height: 47px; }
  .feedback { min-height: 23px; margin-top: 6px; }
  .game-actions { margin-top: 9px; }
  .keyboard-tip { margin-top: 8px; }
  .stats-card { padding: 18px; }
  .stats-grid { margin-top: 15px; }
  .progress-block { margin-top: 14px; }
}

/* Final viewport tuning: keep the playable controls visible and prevent narrow-grid squeeze. */
@media (min-width: 941px) {
  .hero { padding-top: 18px; }
  .hero-copy { gap: 34px; margin-bottom: 16px; }
  .hero-copy h1 { font-size: clamp(2.25rem, 3.7vw, 3.35rem); }
  .hero-copy > p:last-child { font-size: .94rem; line-height: 1.6; }
  .game-toolbar { margin-bottom: 14px; }
  .daily-track { margin-bottom: 13px; }
  .puzzle-stage { min-height: 235px; }
  .answer-form { margin-top: 12px; }
  .feedback { min-height: 23px; margin-top: 6px; }
  .game-actions { margin-top: 9px; }
  .keyboard-tip { margin-top: 8px; }
}

@media (max-width: 940px) {
  .game-layout { grid-template-columns: minmax(0, 1fr); }
  .game-card,
  .side-panel { min-width: 0; width: 100%; }
}

@media (max-width: 560px) {
  .hero { padding-top: 22px; }
  .hero-copy h1 { font-size: clamp(2rem, 10.5vw, 2.65rem); }
  .game-layout { display: block; }
  .game-card { width: 100%; }
  .side-panel { margin-top: 14px; }
  .stats-card { width: 100%; }
}

@media (min-width: 941px) and (max-height: 820px) {
  .hero { padding-top: 9px; }
  .hero-copy { margin-bottom: 8px; }
  .hero-copy h1 { font-size: clamp(2.05rem, 3.1vw, 2.75rem); }
  .hero-copy > p:last-child { font-size: .88rem; }
  .game-card { padding-top: 14px; padding-bottom: 14px; }
  .game-toolbar { margin-bottom: 8px; }
  .daily-track { margin-bottom: 7px; }
  .puzzle-meta { margin-bottom: 6px; }
  .puzzle-stage { min-height: 175px; }
  .answer-shape { min-height: 18px; margin-top: 6px; }
  .answer-form { margin-top: 6px; }
  .answer-row input { height: 44px; }
  .primary-button { min-height: 44px; }
  .feedback { min-height: 19px; margin-top: 3px; }
  .game-actions { min-height: 41px; margin-top: 4px; }
  .keyboard-tip { display: none; }
}

@media (max-width: 560px) {
  /* Search visitors should reach the playable controls in the first mobile viewport. */
  .hero { padding-top: 12px; }
  .hero-copy { gap: 0; margin-bottom: 12px; }
  .hero-copy .eyebrow { margin-bottom: 5px; }
  .hero-copy h1 {
    max-width: 350px;
    font-size: clamp(1.82rem, 8.7vw, 2.15rem);
    line-height: 1.04;
  }
  .hero-copy > p:last-child { display: none; }
  .game-card { padding-top: 14px; }
  .puzzle-stage { min-height: 190px; }
}

/* Play first: keep help reachable and reveal the answer without losing context. */
.filter-controls[hidden], .new-daily-button[hidden] { display: none; }
.hero-copy h1 { font-size: clamp(1.8rem, 3vw, 2.7rem); }
.puzzle-stage { background: var(--surface); }
.puzzle-stage::before, .puzzle-stage::after { display: none; }
.game-actions { flex-wrap: wrap; gap: 8px; }
.game-actions #assist-panel { margin-left: auto; }
.game-actions small { white-space: nowrap; }
.scoring-note { margin: 9px 0 0; color: var(--ink-soft); font-size: .73rem; text-align: center; }
.keyboard-tip { margin-top: 5px; }
.answer-reveal:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }
.new-daily-button { width: 100%; margin: 0 0 14px; padding: 12px; background: var(--accent-soft); color: var(--ink); border: 1px solid var(--line); border-radius: 12px; cursor: pointer; }
.daily-dot { width: 40px; height: 40px; }
@media (max-width: 560px) {
  .hero-copy .eyebrow { display: none; }
  .hero-copy h1 { max-width: 340px; font-size: 1.65rem; line-height: 1.12; }
  .hero-copy { margin-bottom: 12px; }
  .daily-track { margin-bottom: 9px; }
  .puzzle-number { font-size: .68rem; }
  .puzzle-stage { min-height: 175px; }
  .game-card { padding: 13px; border-radius: 20px; }
  .answer-form { margin-top: 8px; }
  .answer-form label { font-size: .78rem; }
  .answer-row { grid-template-columns: minmax(0, 1fr) auto; gap: 6px; }
  .answer-row input { font-size: 16px; min-width: 0; height: 46px; padding: 0 10px; }
  .answer-row .primary-button { min-height: 46px; padding: 0 11px; font-size: .8rem; }
  .feedback:empty { min-height: 0; margin: 0; }
  .game-actions { margin-top: 10px; gap: 4px; }
  .game-actions .secondary-button, .game-actions .text-button { min-height: 44px; padding: 8px; font-size: .76rem; }
  .game-actions #assist-panel { margin-left: 0; }
  .game-actions #skip-button { margin-left: auto; }
  .game-actions .next-button { flex: 1; }
  .scoring-note { font-size: .69rem; margin-top: 5px; }
}

.quick-guide { max-width: 800px; margin: -2px 0 12px; color: var(--ink-soft); font-size: .79rem; }
.quick-guide summary { width: fit-content; cursor: pointer; padding: 5px 0; text-decoration: underline; text-underline-offset: 3px; }
.quick-guide-body { display: flex; gap: 20px; align-items: center; padding: 16px; margin-top: 8px; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); }
.quick-guide-body p { margin: 0; max-width: 500px; }
.example-rebus { display: flex; flex-direction: column; align-items: center; justify-content: center; min-width: 95px; min-height: 95px; gap: 12px; color: var(--ink); font-size: 1.12rem; letter-spacing: 1px; }
.answer-shape { color: var(--ink-soft); font-size: .76rem; font-weight: 600; }
.puzzle-element { animation: none; }
@media (max-width: 560px) {
  .quick-guide { text-align: center; margin-bottom: 10px; font-size: .73rem; }
  .quick-guide summary { margin-inline: auto; }
  .quick-guide-body { text-align: left; gap: 12px; }
  .hero-copy { margin-bottom: 6px; }
  .game-actions { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .game-actions > *, .game-actions #skip-button { width: 100%; margin: 0; }
  .game-actions button { width: 100%; }
  .game-actions small { display: block; font-size: .63rem; }
  .game-actions .next-button { grid-column: span 2; }
  .game-actions #hint-button { display: block; }
}

.puzzle-stage, .library-preview { display: flex; align-items: center; justify-content: center; }
.puzzle-canvas { position: relative; width: min(100%, 440px); aspect-ratio: 2 / 1; container-type: inline-size; flex-shrink: 0; }
.puzzle-canvas .puzzle-element { white-space: pre; text-wrap: nowrap; }
@media (min-width: 941px) and (max-height: 820px) {
  .puzzle-stage .puzzle-canvas { max-width: 400px; }
}

.game-card { scroll-margin-top: calc(var(--header-height) + 10px); }
.game-card.is-complete .answer-shape, .game-card.is-complete .scoring-note { display: none; }