:root {
  color-scheme: dark;
  --bg: #191e22;
  --panel: #22282e;
  --key: #30363d;
  --border: #444b53;
  --text: #f1f3f5;
  --muted: #a0a8b2;
  --brand: #c8cdd3;
  --ice: #7dd3fc;
}
* { box-sizing: border-box; }
html { min-width: 320px; }
body { min-width: 320px; min-height: 100vh; margin: 0; background: var(--bg); color: var(--text); font-family: Arial, Helvetica, sans-serif; user-select: auto; }
a { color: var(--ice); text-decoration: none; }
a:hover { text-decoration: underline; }
button, input, select { font: inherit; }
button { cursor: pointer; }
button:disabled { cursor: not-allowed; }
:focus-visible { outline: 3px solid var(--ice); outline-offset: 3px; }
[hidden] { display: none !important; }
.primary-button, .secondary-button { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 10px 20px; border: 1px solid transparent; border-radius: 10px; font-weight: 700; text-align: center; }
.primary-button { background: var(--ice); color: #101820; }
.secondary-button { background: var(--key); color: var(--text); border-color: var(--border); }
.site-nav { position: relative; display: flex; align-items: center; flex-wrap: wrap; gap: 16px; width: min(100%, 1050px); min-height: 76px; margin: auto; padding: 17px 20px; }
.site-nav > a { color: var(--brand); font-size: 1.55rem; font-weight: 700; }
.site-nav > button { display: grid; place-items: center; width: 44px; height: 44px; margin-left: auto; background: transparent; color: var(--brand); border: 1px solid var(--border); border-radius: 8px; }
.menu-bars, .menu-bars::before, .menu-bars::after { display: block; width: 20px; height: 2px; background: currentColor; content: ''; }
.menu-bars { position: relative; }
.menu-bars::before { position: absolute; top: -6px; }
.menu-bars::after { position: absolute; top: 6px; }
#navbarResponsive { width: 100%; display: flex; justify-content: flex-end; align-items: center; flex-wrap: wrap; gap: 18px; padding: 14px 0 2px; }
#navbarResponsive a, #navbarResponsive button { color: var(--text); }
#navbarResponsive form { margin: 0; }
#navbarResponsive button { border: 0; background: transparent; padding: 0; }
.home-page { width: min(100%, 680px); margin: auto; padding: clamp(28px, 6vw, 60px) 16px 70px; }
.home-spotlight { width: 100%; max-width: 600px; margin: 0 auto; }
.home-logo { position: relative; z-index: 1; display: block; width: min(300px, calc(100% - 24px)); height: auto; margin: 0 auto -34px; filter: drop-shadow(0 0 20px #37c9f324); }
.home-spotlight-card { padding: 58px clamp(16px, 4vw, 30px) 28px; border: 1px solid transparent; border-radius: 20px; background: linear-gradient(150deg, #222a31, #1e252b) padding-box, linear-gradient(135deg, #5ee2ff, #7286d9 55%, #e15bf0) border-box; box-shadow: -10px 0 28px #49d6ff0b, 10px 0 28px #d44cec0b; }
.home-spotlight-card h1 { margin: 0 0 24px; text-align: center; font-size: clamp(1.35rem, 3.8vw, 2rem); line-height: 1.25; letter-spacing: -.025em; }
.home-play-button, .home-dashboard, .home-resume { width: 100%; }
.home-play-button { min-height: 54px; font-size: 1.15rem; }
.home-account-actions { display: flex; justify-content: space-between; gap: 12px; }
.home-account-actions .secondary-button { flex: 1 1 0; min-width: 0; padding: 11px 8px; font-size: clamp(.8rem, 2.5vw, .95rem); }
.home-account-actions .home-create-account { color: #7feaff; border-color: #64dbe9; background: #172027; }
.home-spotlight-card .join-card { max-width: none; margin-top: 22px; padding: clamp(16px, 4vw, 22px); background: #1b2329; border-color: #3c4852; border-radius: 12px; }
.home-spotlight-card .join-card h2 { margin-bottom: 0; }
.home-spotlight-card .join-card p { margin: 0; }
.home-spotlight-card .join-card button { width: 100%; }
.home-resume { margin-top: 18px; }
.eyebrow { color: var(--ice); font-size: .78rem; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
h1 { margin: 8px 0 18px; font-size: clamp(2.25rem, 7vw, 4.5rem); line-height: 1.05; }
h2 { margin: 0 0 15px; font-size: 1.3rem; }
p { color: var(--muted); line-height: 1.55; }
.join-card, .page-card, .panel-form { background: var(--panel); border: 1px solid var(--border); border-radius: 16px; }
.join-card { display: grid; gap: 14px; max-width: 460px; padding: 24px; }
.join-card p { margin: -8px 0 6px; }
label { display: grid; gap: 8px; color: var(--brand); font-size: .95rem; font-weight: 700; }
input, select { width: 100%; min-height: 46px; padding: 10px 13px; border: 1px solid var(--border); border-radius: 10px; background: #191f24; color: var(--text); font-size: 16px; }
input::placeholder { color: #78828d; }
.page-card { width: min(calc(100% - 32px), 720px); margin: 45px auto 60px; padding: clamp(22px, 5vw, 42px); }
.page-card h1 { font-size: clamp(2rem, 6vw, 3rem); }
.action-row { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0; }
.code-display { width: fit-content; min-width: 150px; margin: 22px 0; padding: 12px 22px; border: 1px solid var(--border); border-radius: 12px; color: var(--ice); font-size: 2rem; font-weight: 800; letter-spacing: .22em; }
.stack-form { display: grid; gap: 20px; }
.stack-form fieldset { display: grid; gap: 12px; margin: 0; padding: 16px; border: 1px solid var(--border); border-radius: 10px; }
.checkbox-label { display: flex; align-items: center; gap: 10px; }
.checkbox-label input { width: 19px; height: 19px; min-height: 0; accent-color: var(--ice); }
.game-type-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.game-type-row .checkbox-label { min-width: 0; }
.game-type-row select { flex: 0 0 auto; width: auto; max-width: 45%; min-height: 40px; padding: 6px 10px; margin-left: auto; font-size: .95rem; }
.helper-text { margin: -8px 0 0; font-size: .86rem; }
.player-list { display: grid; gap: 10px; margin: 22px 0; }
.player-row { min-height: 44px; padding: 11px 14px; background: var(--key); border: 1px solid var(--border); border-radius: 9px; color: var(--text); }
.form-error { color: #ffb3b3; overflow-wrap: anywhere; }
.results-table-wrap { max-width: 100%; overflow-x: auto; margin: 22px 0; }
table { width: 100%; border-collapse: collapse; text-align: left; }
th, td { padding: 12px 8px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-size: .8rem; text-transform: uppercase; }
.account-page { width: min(calc(100% - 32px), 720px); margin: 40px auto; }
.account-page .panel-form { display: grid; gap: 15px; padding: 24px; }
.account-page .panel-form label { margin: 0; color: var(--brand); }
.account-page .panel-form input { color: var(--text); }
.account-page .user-list { margin: 22px 0; }
.account-page .user-list .player-row { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px; }

/* Celebratory round and final results. */
.results-shell { width: min(calc(100% - 32px), 780px); margin: 34px auto 60px; }
.results-card { padding: clamp(20px, 4.5vw, 40px); border: 1px solid #36414a; border-radius: 25px; background: radial-gradient(ellipse at 50% 0, #28333a66, transparent 60%), #1c2328; }
.round-results .results-card { text-align: center; }
.results-card .eyebrow { margin: 8px 0 18px; font-size: clamp(.8rem, 2.5vw, 1.1rem); letter-spacing: .18em; }
.results-card h1, .game-winner-hero h1 { font-size: clamp(1.8rem, 5.8vw, 3.4rem); line-height: 1.12; letter-spacing: -.03em; overflow-wrap: anywhere; }
.results-card h1 { margin: 12px 0 20px; }
.round-results .results-card h1 { color: #f2ca70; }
.results-answer { display: grid; grid-template-columns: max-content minmax(0, 1fr); gap: clamp(10px, 2vw, 18px); align-items: center; margin: 0 0 24px; color: #d5dde4; font-size: clamp(.95rem, 2.8vw, 1.2rem); text-align: left; }
.results-answer dt { margin: 0; color: #f2ca70; font-size: 2em; font-weight: 700; line-height: 1.35; }
.results-answer dd { margin: 0; min-width: 0; line-height: 1.35; overflow-wrap: anywhere; white-space: pre-line; }
.round-celebration { height: clamp(150px, 24vw, 190px); position: relative; isolation: isolate; display: grid; place-items: center; margin-bottom: 24px; }
.results-neon-backdrop { position: absolute; z-index: 0; inset: 12px 0; pointer-events: none; }
.neon-explosion { position: absolute; width: min(88%, 540px); height: 100%; left: 50%; top: 50%; transform: translate(-50%, -50%); }
.neon-explosion span { position: absolute; inset: 0; background: linear-gradient(160deg, #4ef0ff 8%, #00bfe9 46%, #0754c7 72%, #2ae6ff); clip-path: polygon(0% 8%, 34% 28%, 17% 0%, 45% 27%, 51% 5%, 56% 30%, 84% 0%, 68% 29%, 100% 10%, 77% 44%, 98% 50%, 75% 58%, 94% 92%, 64% 73%, 80% 100%, 56% 78%, 49% 100%, 43% 76%, 16% 100%, 31% 72%, 0% 86%, 23% 55%, 4% 51%, 26% 42%); }
.neon-explosion span:nth-child(2) { inset: 8% 4%; background: linear-gradient(155deg, #ba31ef, #ff21cd 46%, #822cde 73%, #df36ff); transform: rotate(-4deg); clip-path: polygon(0% 24%, 36% 35%, 12% 4%, 48% 29%, 65% 0%, 61% 35%, 100% 19%, 72% 47%, 98% 62%, 65% 63%, 89% 97%, 55% 74%, 40% 100%, 38% 70%, 0% 81%, 26% 54%); }
.neon-explosion span:nth-child(3) { inset: 20% 10%; opacity: .85; background: linear-gradient(120deg, #88f5ff, #05a5fa 45%, #9051f7); clip-path: polygon(0 0, 36% 39%, 48% 0, 62% 38%, 100% 3%, 71% 53%, 100% 100%, 61% 71%, 43% 100%, 33% 68%, 0 91%, 22% 50%); }
.neon-orbit { display: none; position: absolute; inset: 12% 2%; }
.neon-orbit span { position: absolute; inset: 12% 0; border: 4px solid #19defb; border-left-width: 12px; border-right-width: 2px; border-radius: 50%; transform: rotate(-7deg); box-shadow: 0 0 5px #05c8ec, inset 0 0 5px #05c8ec; }
.neon-orbit span:nth-child(2) { inset: 5% 6%; border-color: #ff32d2 #fa5ce4 #9427d9 #e700c4; border-left-width: 3px; border-right-width: 12px; transform: rotate(5deg); box-shadow: 0 0 5px #ef27da, inset 0 0 4px #ef27da; }
.neon-orbit span:nth-child(3) { inset: 22% 9%; border-width: 2px; border-color: #5feaff transparent #1276d8 #22c9fc; transform: rotate(-11deg); box-shadow: none; }
.round-celebration--orbit .neon-explosion { display: none; }
.round-celebration--orbit .neon-orbit { display: block; }
.round-celebration--orbit .results-confetti span:nth-child(3n) { width: 16px; height: 16px; border-radius: 0; clip-path: polygon(50% 0, 60% 40%, 100% 50%, 60% 60%, 50% 100%, 40% 60%, 0 50%, 40% 40%); background: #f137d3; }
.results-mascot { position: relative; z-index: 3; display: block; height: 100%; width: auto; max-width: 100%; object-fit: contain; filter: drop-shadow(0 0 18px #7dd3fc22); }
.results-confetti { position: absolute; z-index: 2; inset: 12px -8px; overflow: hidden; pointer-events: none; }
.results-confetti span { position: absolute; left: var(--x); top: var(--y); width: 9px; height: 18px; background: #7dd3fc; transform: rotate(var(--angle)); opacity: .9; }
.results-confetti span:nth-child(3n) { background: #c2a2f2; width: 12px; height: 12px; }
.results-confetti span:nth-child(4n) { background: #d9e9f4; height: 15px; width: 3px; }
.results-confetti span:nth-child(5n) { border-radius: 50%; width: 6px; height: 6px; }
.results-scoreboard { table-layout: fixed; border-collapse: separate; border-spacing: 0 7px; }
.results-card .results-table-title { margin: 0 0 4px; padding: 0 8px; text-align: left; }
.results-scoreboard caption { caption-side: bottom; padding: 10px 4px 0; font-size: .75rem; color: var(--muted); text-align: right; }
.results-scoreboard thead th { font-size: clamp(.65rem, 1.8vw, .9rem); font-weight: 700; color: #b5bec8; padding: 10px 8px 16px; }
.results-scoreboard thead th:first-child { width: 40%; text-align: left; }
.results-scoreboard thead th:not(:first-child), .results-scoreboard td { text-align: center; }
.results-scoreboard tbody th, .results-scoreboard td { padding: clamp(12px, 2.8vw, 21px) 8px; font-size: clamp(.9rem, 2.8vw, 1.35rem); border-bottom: 1px solid #36414a; color: var(--text); font-variant-numeric: tabular-nums; }
.results-scoreboard tbody th { text-transform: none; font-weight: 400; text-align: left; }
.results-winner th, .results-winner td { background: #283740; border-bottom-color: transparent; }
.results-winner th { border-radius: 14px 0 0 14px; font-weight: 700 !important; }
.results-winner td:last-child { border-radius: 0 14px 14px 0; }
.results-player { display: flex; align-items: center; gap: clamp(6px, 2vw, 14px); min-width: 0; }
.results-player > span { overflow-wrap: anywhere; min-width: 0; }
.winner-marker { width: clamp(19px, 3.7vw, 30px); height: auto; flex-shrink: 0; color: var(--ice); }
.results-action { width: 100%; margin-top: 18px; border-radius: 18px; min-height: clamp(54px, 9vw, 76px); font-size: clamp(1.15rem, 3.5vw, 1.8rem); background: linear-gradient(115deg, #69d0f4, #82dcff); box-shadow: inset 0 1px 0 #ceefff99; }
.results-waiting { text-align: center; font-size: .85rem; margin: 15px 0 0; }
.fibwars-stage-label { margin: 16px 0 0; color: var(--ice); }
.input-timer { height: 12px; border-radius: 999px; background: #303b43; overflow: hidden; }
.input-timer-fill { display: block; height: 100%; width: 100%; background: #47d684; border-radius: inherit; }
.input-timer.is-urgent .input-timer-fill { background: #ef5666; }
.fibwars-options { display: grid; gap: 12px; margin: 20px 0; }
.fibwars-choice { width: 100%; padding: 16px; border: 1px solid #526578; border-radius: 12px; background: #27343e; color: var(--text); font: inherit; text-align: left; overflow-wrap: anywhere; cursor: pointer; }
.fibwars-choice small { display: block; color: var(--ice); margin-top: 6px; }
.fibwars-choice:focus-visible { outline: 3px solid var(--ice); outline-offset: 3px; }
.fibwars-choice:disabled { cursor: default; opacity: .65; }
.fibwars-choice[data-selected="true"] { border-color: var(--ice); opacity: 1; background: #20485b; }
.fibwars-submitted-lie, .fibwars-reveal { padding: 22px; border: 1px solid #526578; border-radius: 16px; background: #222c35; overflow-wrap: anywhere; }
.fibwars-reveal h2 { font-size: clamp(1.4rem, 4vw, 2rem); line-height: 1.3; }
.fibwars-reveal.is-correct { border-color: #f2ca70; }
.fibwars-points { color: #ff9baf; font-size: 1.5rem; }
.fibwars-reveal.is-correct .fibwars-points, .fibwars-bonus { color: #f2ca70; }
.fibwars-lie-form input { min-width: 0; }
.game-winner-hero { text-align: center; }
.game-winner-hero h1 { margin: 0; position: absolute; top: calc(65% - 3.64cqi); left: 4%; width: 92%; transform: translateY(-50%); z-index: 1; color: #f2ca70; font-size: clamp(.75rem, 7.5cqi, 2.6rem); text-shadow: 0 2px 3px #101820, 0 0 12px #101820, 0 0 24px #101820; }
.trophy-stage { position: relative; isolation: isolate; container-type: inline-size; width: min(100%, 450px); margin: 0 auto -9px; }
.trophy-stage:before { content: ''; position: absolute; inset: 0; z-index: -1; background: radial-gradient(ellipse, #299adb66 0, #2d9bce22 40%, transparent 68%); }
.trophy-stage:after { content: ''; position: absolute; inset: 5% 0 0; z-index: -1; background: repeating-conic-gradient(from 5deg at 50% 63%, transparent 0deg 13deg, #54bfff12 13deg 24deg); mask-image: radial-gradient(ellipse, #000, transparent 70%); }
.trophy-stage img { display: block; width: 100%; height: auto; }
.final-results .results-card { position: relative; }
.final-results .results-winner th, .final-results .results-winner td { border-top: 1px solid #4a9aca; border-bottom: 1px solid #4a9aca; background: #233946; }
.final-results .results-winner th { border-left: 1px solid #4a9aca; }
.final-results .results-winner td:last-child { border-right: 1px solid #4a9aca; }
@media (max-width: 390px) {
 .results-shell { width: calc(100% - 20px); margin-top: 22px; }
 .results-card { padding: 18px 12px; border-radius: 19px; }
 .results-scoreboard th, .results-scoreboard td { padding-left: 5px !important; padding-right: 5px !important; }
 .results-scoreboard thead th:first-child { width: 37%; }
 .results-card .results-table-title { padding-inline: 5px; }
 .results-scoreboard caption { font-size: .7rem; }
}

/* Word War follows the Ice Blue reference while fitting narrow phones. */
.play-page { background: var(--bg); }
.play-shell { width: min(100%, 780px); margin: 0 auto; padding: 22px clamp(12px, 3.4vw, 30px) 50px; }
.play-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: clamp(24px, 5vw, 40px); }
.play-brand { color: var(--brand); font-size: clamp(1.7rem, 5vw, 2.5rem); font-weight: 700; letter-spacing: -.03em; }
.play-brand:hover { color: var(--brand); text-decoration: none; }
#game-settings { width: 46px; height: 46px; padding: 0; border: 0; background: transparent; color: var(--brand); font-size: 2rem; line-height: 1; }
.game-options { position: absolute; z-index: 4; right: max(12px, calc((100vw - 780px)/2)); top: 78px; max-width: min(270px, calc(100vw - 24px)); padding: 17px; border: 1px solid var(--border); border-radius: 10px; background: var(--panel); }
.game-options p { margin: 8px 0; }
.play-board { display: grid; gap: clamp(20px, 4vw, 28px); }
.word-boxes { display: flex; justify-content: center; flex-wrap: wrap; gap: clamp(5px, 1vw, 9px); width: 100%; }
.word-box { display: grid; place-items: center; width: clamp(31px, 9vw, 78px); height: clamp(50px, 12vw, 86px); border: 2px solid var(--border); border-radius: 10px; background: #20262b; color: var(--text); font-size: clamp(1.2rem, 5vw, 2.3rem); font-weight: 700; }
.word-box.revealed { border-color: #668899; }
.solve-form { display: grid; grid-template-columns: minmax(0, 1fr) minmax(88px, 29%); gap: 10px; }
.solve-form input { width: 100%; min-width: 0; height: clamp(52px, 10vw, 76px); padding: 0 clamp(14px, 3vw, 25px); border: 2px solid var(--border); border-radius: 10px; background: #20262b; color: var(--text); font-size: max(16px, 1.15rem); text-transform: uppercase; }
.solve-form button { min-width: 0; min-height: 52px; padding: 0 8px; border: 0; border-radius: 10px; background: var(--ice); color: #101820; font-size: clamp(1.05rem, 4vw, 1.7rem); font-weight: 800; }
.letters { display: grid; grid-template-columns: 1fr; gap: 7px; margin: 0; }
.keyboard-row { display: flex; justify-content: center; gap: clamp(3px, .8vw, 8px); width: 100%; }
.letter-tile { flex: 0 1 9.5%; min-width: 0; width: auto; height: clamp(47px, 10vw, 70px); aspect-ratio: auto; padding: 0; border: 1px solid #3c444c; border-radius: 7px; background: var(--key); color: var(--text); box-shadow: none; font-size: clamp(.95rem, 3.5vw, 1.55rem); font-weight: 700; }
.letter-tile:hover:not(:disabled) { background: #3a434b; }
.letter-tile.used { opacity: .42; }
.letters.solving .letter-tile.used { opacity: 1; }
.letter-tile.wrong { color: #ffb3b3; }
.history { display: grid; grid-template-columns: 1fr 1fr; gap: 0; min-width: 0; padding: clamp(14px, 3vw, 28px); border: 2px solid var(--border); border-radius: 12px; background: #20262b; }
.history > div { min-width: 0; min-height: 70px; padding: 0 clamp(10px, 3vw, 24px); border: 0; border-radius: 0; background: transparent; }
.history > div:first-child { padding-left: 0; border-right: 1px solid var(--border); }
.history > div:last-child { padding-right: 0; }
.history span { display: block; color: var(--brand); font-size: clamp(.8rem, 2.5vw, 1.15rem); font-weight: 700; text-transform: none; }
.history strong { display: block; margin-top: 10px; color: var(--muted); font-size: clamp(.9rem, 2.7vw, 1.1rem); font-weight: 400; overflow-wrap: anywhere; }
.countdown { margin: clamp(40px, 12vw, 95px) auto; color: var(--ice); font-size: clamp(5rem, 20vw, 9rem); font-weight: 800; text-align: center; }
.scrambled-intro { text-align: center; }
.scrambled-intro h1 { font-size: clamp(1.7rem, 5.5vw, 2.7rem); margin: 10px 0; }
.scrambled-intro p { margin: 8px 0 0; }
.scrambled-board .word-box { background: #263640; border-color: #638fa5; color: var(--ice); }
.scrambled-feedback { margin: -10px 0; min-height: 1.55em; color: #ffb3b3; }
.scrambled-feedback.is-solved { color: var(--ice); }
.scrambled-attempts { padding: 18px 0; border-bottom: 1px solid var(--border); overflow-wrap: anywhere; }
.scrambled-attempts span, .scrambled-attempts strong { display: block; }
.scrambled-attempts span { color: var(--brand); font-weight: 700; margin-bottom: 10px; }
.scrambled-attempts strong { color: var(--muted); font-weight: 400; line-height: 1.6; }
.scrambled-rules { color: var(--muted); font-size: .9rem; line-height: 1.6; }
.scrambled-rules summary { color: var(--brand); }
.trivia-intro { text-align: center; }
.trivia-intro h1 { font-size: clamp(1.8rem, 5.5vw, 2.8rem); }
.challenge-prompt { margin: 0; color: var(--text); white-space: pre-line; font-size: clamp(1.1rem, 3vw, 1.4rem); overflow-wrap: anywhere; }
.trivia-form { display: grid; grid-template-columns: 1fr; gap: 18px; }
.trivia-choices { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 12px; border: 0; padding: 0; margin: 0; min-width: 0; }
.trivia-choices legend { color: var(--muted); margin-bottom: 12px; font-size: .9rem; }
.trivia-choice { display: flex; align-items: center; gap: 10px; min-height: 60px; border: 1px solid var(--border); border-radius: 10px; padding: 14px; background: var(--panel); overflow-wrap: anywhere; }
.trivia-choice:has(input:checked) { border-color: var(--ice); background: #263c49; }
.trivia-form .trivia-choice input { width: 20px; height: 20px; min-height: 20px; padding: 0; flex: 0 0 20px; accent-color: var(--ice); }
.trivia-form > input { text-transform: none; }
.trivia-feedback, .trivia-progress { margin: 0; }
.trivia-feedback { color: var(--ice); }
.results-explanation { text-align: left; white-space: normal; overflow-wrap: anywhere; }
@media(max-width:390px) { .trivia-choices { grid-template-columns: 1fr; } }
@media (max-width: 390px) {
  .play-shell { padding-left: 10px; padding-right: 10px; }
  .play-board { gap: 18px; }
  .word-box { width: clamp(29px, 9vw, 38px); height: 48px; }
  .history { padding: 13px; }
  .history > div { padding: 0 10px; }
}