:root{color-scheme:light;--paper:#FFF9F4;--ink:#302823;--muted:#806E65;--coral:#BD482F;--coral-dark:#BD482F;--on-coral:#FFFAF6;--peach:#FFDED1;--peach-ink:#7E3526;--purple:#E9E0F8;--purple-ink:#55417B;--line:#EAD6CC;--surface:#FFFEFD;--soft:#FFFEFD;--focus:#BD482F;--inverse-ink:#FFF9F4;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;font-synthesis:none}
*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);line-height:1.55}button,input,a{-webkit-tap-highlight-color:transparent}button,input{font:inherit}button,a{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:default;opacity:.48}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid var(--focus);outline-offset:4px}a{color:var(--coral)}.app{width:min(100%,480px);margin:auto;padding:env(safe-area-inset-top) 22px calc(32px + env(safe-area-inset-bottom));min-height:100dvh}.header{display:grid;grid-template-columns:44px 1fr 44px;align-items:center;gap:8px;min-height:92px;margin-bottom:14px}.brand{font-weight:650;font-size:18px;text-align:center}.icon-button{border:0;border-radius:50%;width:44px;height:44px;background:var(--surface);color:var(--ink);font-size:25px;display:grid;place-items:center;box-shadow:0 8px 24px #52341b08;text-decoration:none}.flow{display:flex;flex-direction:column;gap:24px}.eyebrow{font-size:12px;letter-spacing:.08em;color:var(--muted);margin:0 0 9px}.heading{font-size:clamp(30px,8vw,37px);font-weight:700;letter-spacing:-.06em;line-height:1.25;margin:0;white-space:pre-line}.subtitle{font-size:15px;color:var(--muted);line-height:1.65;margin:12px 0 0;white-space:pre-line}.center{text-align:center}.quiet{color:var(--muted);font-size:13px}.pair{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:14px}.word-card{background:var(--peach);color:var(--peach-ink);border-radius:24px;min-height:154px;padding:20px 12px;text-align:center;display:flex;flex-direction:column;justify-content:space-between;gap:14px;overflow-wrap:anywhere}.word-card.peer{background:var(--purple);color:var(--purple-ink)}.word-card .card-label{font-size:12px}.word-card .word{font-size:clamp(21px,7vw,33px);font-weight:650;line-height:1.35}.word-card .card-bottom{font-size:12px}.word-card.hidden-word .word{font-size:27px;letter-spacing:.2em}.revealed .word-card{animation:reveal .45s both}.revealed .word-card.peer{animation-delay:.09s}@keyframes reveal{from{transform:perspective(500px) rotateY(-16deg) translateY(7px);opacity:0}to{transform:none;opacity:1}}.field{display:flex;flex-direction:column;gap:9px}.field-label{font-size:12px;color:var(--muted)}input{width:100%;border:1px solid var(--line);border-radius:16px;background:var(--surface);color:var(--ink);padding:16px;font-size:18px;min-height:57px;line-height:1.4}input::placeholder{color:var(--muted)}input:disabled{opacity:1;background:var(--soft);color:var(--muted)}.code-input{font-size:30px;letter-spacing:.3em;text-align:center}.helper{font-size:12px;color:var(--muted);display:flex;justify-content:space-between;gap:14px;min-height:19px}.helper.invalid{color:var(--coral)}.button{width:100%;min-height:54px;border-radius:22px;padding:14px 18px;border:1px solid transparent;font-size:16px;line-height:1.5;text-align:center;text-decoration:none;display:block;transition:transform .12s,background .12s}.button:active:not(:disabled){transform:scale(.985)}.button.primary{background:var(--coral);color:var(--on-coral)}.button.primary:hover:not(:disabled){background:var(--coral);filter:brightness(.94)}.button.secondary{background:var(--surface);border-color:var(--line);color:var(--ink)}.button.tertiary{background:transparent;color:var(--muted);padding:6px;min-height:38px}.action-stack{display:flex;flex-direction:column;gap:13px}.footnote{font-size:12px;text-align:center;color:var(--muted);margin:0}.notice{border-radius:16px;padding:15px 17px;background:var(--soft);font-size:13px;color:var(--ink);white-space:pre-line}.notice .button{margin-top:12px;min-height:40px;font-size:13px;padding:9px}.room-panel{border:1px solid var(--line);border-radius:24px;background:var(--surface);padding:24px;text-align:center}.room-code{font-size:38px;line-height:1.5;font-weight:650;letter-spacing:.16em;margin:7px 0 10px;font-variant-numeric:tabular-nums}.players{display:flex;align-items:center;justify-content:center;gap:32px;margin-top:25px}.player{width:95px;display:flex;flex-direction:column;align-items:center;gap:9px}.avatar{color:var(--peach-ink);width:52px;height:52px;border-radius:50%;background:var(--peach);display:grid;place-items:center;font-weight:650;font-size:20px}.player.peer .avatar{background:var(--purple);color:var(--purple-ink)}.player-name{font-size:13px;max-width:100%;overflow-wrap:anywhere}.status-dot{display:inline-block;width:5px;height:5px;border-radius:100%;background:var(--coral);margin:0 6px 2px 0}.round-pill{font-size:12px;color:var(--muted);text-align:center;letter-spacing:.1em}.history{border-top:1px solid var(--line);padding-top:18px}.history h2{font-size:13px;color:var(--muted);font-weight:500;margin:0 0 15px}.history-head,.history-row{display:grid;grid-template-columns:32px 1fr 1fr;gap:10px;align-items:center;font-size:14px;overflow-wrap:anywhere}.history-head{font-size:11px;color:var(--muted);margin-bottom:8px}.history-row{padding:10px 0;border-bottom:1px dashed var(--line)}.round-index{font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums}.history-row>span:nth-child(2){color:var(--peach-ink)}.history-row>span:nth-child(3){color:var(--purple-ink)}.success-card{padding:28px 22px;background:var(--surface);border:1px solid var(--line);border-radius:26px;text-align:center;position:relative;overflow:hidden}.success-card .success-word{font-size:clamp(32px,10vw,48px);font-weight:700;line-height:1.3;margin:25px 0;color:var(--coral);overflow-wrap:anywhere}.success-card.fresh{animation:meet .55s cubic-bezier(.22,1,.36,1)}@keyframes meet{from{transform:scale(.93);opacity:.5}to{transform:scale(1);opacity:1}}.connection{display:flex;justify-content:center;align-items:center;gap:6px;font-size:12px;color:var(--muted)}.rule{display:grid;grid-template-columns:28px 1fr;gap:15px}.rule-number{color:var(--coral);font-size:13px;padding-top:2px}.rule h2{margin:0;font-size:17px;font-weight:600}.rule p{margin:6px 0 0;color:var(--muted);font-size:14px}.spinner{width:14px;height:14px;border:2px solid color-mix(in srgb,var(--on-coral) 35%,transparent);border-top-color:var(--on-coral);display:inline-block;border-radius:50%;animation:spin .75s linear infinite;vertical-align:-2px;margin-right:7px}@keyframes spin{to{transform:rotate(360deg)}}.toast{position:fixed;bottom:calc(28px + env(safe-area-inset-bottom));left:50%;transform:translateX(-50%);width:max-content;max-width:calc(100% - 40px);border-radius:15px;background:var(--ink);color:var(--inverse-ink);padding:11px 18px;font-size:13px;text-align:center;z-index:10;box-shadow:0 7px 24px #0002}.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}.noscript{padding:32px;text-align:center}dialog{border:1px solid var(--line);background:var(--paper);color:var(--ink);width:min(390px,calc(100% - 40px));border-radius:24px;padding:25px}dialog::backdrop{background:#0007}dialog h2{font-size:22px;margin:0 0 12px}dialog p{font-size:14px;color:var(--muted)}.dialog-actions{display:flex;flex-direction:column;gap:10px;margin-top:22px}.local-label{display:block;font-size:10px;font-weight:400;color:var(--muted);letter-spacing:.05em;margin-top:2px}.hidden{display:none!important}
.share-dialog{width:min(420px,calc(100% - 32px));max-height:calc(100dvh - 32px);overflow:auto;padding:22px}.share-dialog h2{font-size:19px}.share-preview{display:block;width:100%;height:auto;max-height:50dvh;object-fit:contain;border:1px solid var(--line);border-radius:14px;background:var(--paper)}.share-status{font-size:12px!important;line-height:1.5;margin:12px 0 16px}.share-dialog .action-stack{gap:10px}.share-dialog .button{min-height:45px;padding:10px 14px;font-size:14px}.share-dialog .button.tertiary{min-height:34px;padding:5px}
@media(min-width:720px){body{background:radial-gradient(ellipse at 20% 20%,color-mix(in srgb,var(--peach) 45%,transparent),transparent 45%),radial-gradient(ellipse at 85% 70%,color-mix(in srgb,var(--purple) 40%,transparent),transparent 50%),var(--paper)}.app{margin:32px auto;background:var(--paper);border:1px solid var(--line);border-radius:34px;padding:12px 28px 36px;min-height:calc(100dvh - 64px);box-shadow:0 20px 80px #63462e06}.header{min-height:80px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition:none!important;scroll-behavior:auto!important}}

.mode-picker h2,.practice-intro h2,.daily-intro h2{font-size:16px;margin:0 0 12px;font-weight:600}.theme-options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.theme-options .theme-option:first-child{grid-column:1/-1}.theme-option{min-height:42px;padding:9px 12px;font-size:14px;border-radius:15px}.theme-option[aria-pressed=true]{background:var(--soft);border-color:var(--coral);color:var(--coral-dark);font-weight:600}.mode-detail{font-size:12px;color:var(--muted);margin:10px 0 0;line-height:1.6}.practice-intro,.daily-intro{border-radius:20px;background:var(--soft);padding:18px}.daily-intro{background:var(--surface);border:1px solid var(--line)}.practice-intro .button,.daily-intro .button{margin-top:14px;min-height:44px;padding:10px 14px;font-size:14px}.mode-context{padding:13px 16px;background:var(--soft);border-radius:16px}.mode-context .eyebrow{margin:0;color:var(--coral-dark)}.mode-seeds{margin:7px 0 0;font-size:16px;font-weight:600}.mode-context .mode-detail{margin-top:6px}.practice-options{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.practice-options .button{font-size:14px;min-height:44px;padding:10px 8px;border-radius:15px}.hint-direction{margin:18px 0}.hint-direction h3{font-size:15px;color:var(--coral-dark);margin:0 0 5px}.hint-direction p{font-size:13px;margin:0}#association-hints{max-height:calc(100dvh - 36px);overflow:auto}

.appearance-dialog{width:min(460px,calc(100% - 32px));max-height:calc(100dvh - 32px);overflow:auto;padding:22px}.appearance-dialog>p{line-height:1.6}.appearance-options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:20px 0}.appearance-option{display:flex;flex-direction:column;gap:9px;min-width:0;min-height:150px;text-align:left;border:2px solid var(--option-border);border-radius:20px;padding:13px;background:var(--option-background);color:var(--option-text)}.appearance-option[aria-pressed=true]{border-color:var(--coral);box-shadow:0 0 0 1px var(--coral)}.appearance-name{display:flex;align-items:center;justify-content:space-between;gap:5px;flex-wrap:wrap}.appearance-name strong{font-size:15px;font-weight:600}.appearance-check{font-size:11px;min-height:17px}.appearance-description{font-size:11px;color:var(--option-muted);line-height:1.6}.appearance-preview{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:7px;margin-top:auto}.appearance-preview>span{padding:13px 5px;border-radius:12px;text-align:center;background:var(--option-left);color:var(--option-on-left);font-size:16px;font-weight:600}.appearance-preview>span:last-child{background:var(--option-right);color:var(--option-on-right)}.appearance-status{min-height:21px;font-size:12px!important;margin:14px 0}.appearance-entry{font-size:27px}@media(max-width:360px){.appearance-options{grid-template-columns:1fr}.appearance-option{min-height:140px}}
select,textarea{width:100%;font:inherit;border:1px solid var(--line);border-radius:16px;background:var(--surface);color:var(--ink);padding:14px;line-height:1.5}textarea{resize:vertical;min-height:140px}select:focus-visible,textarea:focus-visible{outline:3px solid var(--focus);outline-offset:3px}.settings-section{border:1px solid var(--line);background:var(--surface);border-radius:20px;padding:18px}.settings-section h2{font-size:17px;margin:0 0 12px}.settings-section p{line-height:1.8;margin:8px 0 0}.toggle-row{display:flex;align-items:center;gap:12px;font-size:15px}.toggle-row input{width:24px;min-height:24px;height:24px;flex:0 0 24px;accent-color:var(--coral)}.danger{color:var(--coral)!important}.stat-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.stat-card{border:1px solid var(--line);border-radius:20px;padding:20px 12px;text-align:center;background:var(--surface)}.stat-card strong{font-size:32px;color:var(--coral)}.stat-card p{margin:4px 0 0}.milestone{padding:12px 0;border-top:1px solid var(--line)}.milestone strong{font-size:15px}.favorite-card{padding:20px;border:1px solid var(--line);border-radius:20px;background:var(--surface)}.favorite-card>strong{font-size:28px;color:var(--coral);overflow-wrap:anywhere}.favorite-card .button{margin-top:12px}html[lang=en] .heading{letter-spacing:-.035em;font-size:clamp(28px,7.5vw,35px)}html[lang=en] .word-card .word{font-size:clamp(21px,6vw,30px)}html[lang=en] .appearance-name strong{font-size:13px}html[lang=en] .practice-options{grid-template-columns:repeat(3,minmax(0,1fr))}

[hidden]{display:none!important}.round-options{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:9px}.round-options .button{min-height:44px;padding:10px 8px;border-radius:15px;font-size:14px}.round-options .button[aria-pressed=true]{border-color:var(--coral);background:var(--soft);color:var(--coral);font-weight:650}.handoff-shield{height:170px;display:grid;place-items:center;font-size:80px;color:var(--coral);background:var(--surface);border:1px solid var(--line);border-radius:28px}.reaction-panel,.partner-card{padding:20px;border:1px solid var(--line);background:var(--surface);border-radius:22px}.reaction-panel h2,.partner-card h2{margin:0 0 12px;font-size:18px}.reaction-options{display:grid;grid-template-columns:1fr;gap:8px}.reaction-options .button{min-height:44px;font-size:14px;padding:10px 12px}.reaction-receipt{padding:11px 13px;background:var(--soft);border:1px solid var(--line);border-radius:13px;color:var(--ink);font-size:13px;overflow-wrap:anywhere}.partner-card .action-stack{margin-top:18px}.partner-card .stat-card{padding:14px 8px}.partner-card .stat-card strong{font-size:27px}.partner-card .stat-card:last-child{grid-column:1/-1}.partner-card h3{font-size:14px;margin:20px 0 10px}.shared-words{display:flex;gap:8px;flex-wrap:wrap}.shared-words span{padding:6px 12px;background:var(--peach);color:var(--peach-ink);border-radius:12px;font-size:14px;overflow-wrap:anywhere}.replay-canvas{width:auto;max-width:100%;max-height:43dvh;margin:auto}.replay-dialog .share-status{min-height:52px}
.more-play-dialog{max-height:calc(100dvh - 32px);overflow:auto}.more-play-dialog>.action-stack{margin-top:22px}
.custom-seeds{display:flex;flex-direction:column;gap:14px;margin:14px 0 20px}.more-play-dialog>.settings-section{margin-top:20px}.more-play-dialog .settings-section>.field{margin-top:16px}.round-countdown{font-size:25px;font-weight:650;text-align:center;color:var(--coral);font-variant-numeric:tabular-nums;margin:0}.recovery-code{font-family:ui-monospace,monospace;font-size:14px;overflow-wrap:anywhere;min-height:140px;margin-bottom:18px}#recovery-code-dialog,#guess-share-dialog{max-height:calc(100dvh - 32px);overflow:auto}.settings-section>.action-stack{margin-top:15px}
.next-options>.field{margin-bottom:16px}.next-options>.toggle-row{margin-top:20px}.content-options{display:grid;grid-template-columns:1fr;gap:10px}.content-options .button{font-size:14px}.content-options .button[aria-pressed=true]{border-color:var(--coral);background:var(--soft)}.opening-picture{margin:0;border-radius:20px;overflow:hidden;border:1px solid var(--line);background:var(--surface)}.opening-picture img{display:block;width:100%;height:auto;aspect-ratio:3/2;object-fit:cover}.content-options .opening-picture{margin-bottom:10px}.guess-opening-picture{width:100%;border-radius:20px}.pack-progress,.prediction-results,.explanation-panel,.opening-change,.dictionary-entry{border:1px solid var(--line);border-radius:20px;padding:18px;background:var(--surface)}.pack-progress h2,.prediction-results h2,.opening-change h2{font-size:17px;margin:0 0 12px}.dictionary-entry h2{font-size:28px;color:var(--coral);margin:0 0 12px}.archived-notes summary{cursor:pointer;color:var(--muted);font-size:13px}.archived-notes .explanation-panel{margin-top:12px}.invite-qr{display:block;width:min(100%,280px);height:auto;margin:20px auto;background:white;border:12px solid white;border-radius:14px}.scanner-dialog,#opening-proposal-dialog,#explanation-dialog,#invite-qr-dialog{max-height:calc(100dvh - 32px);overflow:auto}.scanner-dialog video{display:block;width:100%;max-height:45dvh;background:#111;border-radius:16px;object-fit:cover}.scanner-dialog .share-status{min-height:58px}

/* The web navigation mirrors the iPhone's Meet, Games and Me tabs. */
.has-tabs{padding-bottom:calc(112px + env(safe-area-inset-bottom))}.tab-bar{position:fixed;bottom:0;left:50%;transform:translateX(-50%);width:min(100%,480px);padding:9px 16px calc(9px + env(safe-area-inset-bottom));display:grid;grid-template-columns:repeat(3,1fr);gap:8px;background:color-mix(in srgb,var(--paper) 94%,transparent);border-top:1px solid var(--line);backdrop-filter:blur(18px);z-index:5}.button.tab{display:flex;flex-direction:column;align-items:center;gap:2px;min-height:56px;padding:4px 10px;border-radius:18px;font-size:12px;background:transparent;color:var(--muted)}.tab-symbol{font-size:24px;line-height:1.2}.button.tab[aria-current=page]{color:var(--coral);background:var(--peach);font-weight:650}.feature{display:flex;align-items:center;gap:14px;padding:20px 18px;border:1px solid var(--line);border-radius:24px;text-align:left;background:var(--surface);color:var(--ink);min-height:102px}.feature.featured{background:var(--coral);color:var(--on-coral);border-color:transparent;box-shadow:0 10px 30px color-mix(in srgb,var(--coral) 15%,transparent)}.feature-glyph{display:grid;place-items:center;flex:0 0 43px;width:43px;height:43px;border-radius:15px;font-size:26px;background:var(--peach);color:var(--peach-ink)}.featured .feature-glyph{background:color-mix(in srgb,var(--on-coral) 16%,transparent);color:inherit}.feature-copy{display:flex;flex-direction:column;gap:5px;flex:1;min-width:0}.feature-copy strong{font-size:18px;font-weight:650}.feature-copy>span{font-size:12px;line-height:1.65;opacity:.78}.feature-arrow{font-size:22px;opacity:.65}.hero-pair .word-card{min-height:120px;padding:16px}.hero-pair .card-bottom:empty{display:none}.hero-pair .word{font-size:29px}.quick-actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.quick-actions .button{font-size:14px}.has-tabs .flow{gap:17px}.has-tabs .flow>section:first-child{margin-bottom:5px}.toast{bottom:calc(98px + env(safe-area-inset-bottom))}.custom-players,.custom-answer-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.custom-player,.custom-answer{padding:16px;border:1px solid var(--line);border-radius:19px;background:var(--surface);overflow-wrap:anywhere}.custom-player h3,.custom-answer h3{font-size:14px;margin:0 0 8px}.custom-player p,.custom-answer p{font-size:13px;margin:6px 0}.custom-form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.custom-room-card{padding:20px;border:1px solid var(--line);border-radius:22px;background:var(--surface)}.custom-room-card h2{font-size:18px;margin:0 0 14px}.custom-room-card .button{margin-top:12px}.custom-answer .word{font-size:24px;color:var(--coral);font-weight:650}.custom-room-card .custom-answer{background:var(--paper)}.match-countdown{font-size:56px;font-variant-numeric:tabular-nums;color:var(--coral);font-weight:650;text-align:center;margin:20px 0}.match-progress{padding:30px 20px;border:1px solid var(--line);border-radius:26px;background:var(--surface);text-align:center}.match-status{min-height:24px}.match-options{display:flex;flex-direction:column;gap:20px}.match-player{padding:14px;background:var(--soft);border-radius:16px;overflow-wrap:anywhere}
@media(min-width:720px){.tab-bar{bottom:32px;width:478px;border-radius:0 0 33px 33px;padding:10px 24px 14px}.has-tabs{padding-bottom:118px}.toast{bottom:128px}}@media(max-width:360px){.feature{gap:10px;padding:18px 14px}.feature-glyph{flex-basis:36px;width:36px;height:36px}.feature-copy strong{font-size:17px}.custom-form-grid{grid-template-columns:1fr}}html[lang=zh-Hant]{font-family:-apple-system,BlinkMacSystemFont,'PingFang TC','Microsoft JhengHei',sans-serif}