:root{color-scheme:light;--paper:#fff8ee;--surface:#fffcf6;--ink:#293b34;--muted:#6f766e;--mint:#91cfc0;--line:#e5daca;--red:#a83f32;--yellow:#8b6213;--blue:#286488;--green:#376f45;--radius:18px;font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}
*{box-sizing:border-box}body{margin:0;min-width:320px}button,input{font:inherit}button{color:inherit;cursor:pointer}button:disabled{cursor:not-allowed;opacity:.48}button,input{touch-action:manipulation}button{min-height:44px;-webkit-tap-highlight-color:transparent}button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid #448677;outline-offset:3px}[hidden]{display:none!important}h1,h2,h3,p{margin:0}h1,h2,h3,.brand{font-family:"Source Han Serif CN","Songti SC","STSong",serif}h1{font-size:clamp(36px,4.4vw,62px);font-weight:700;letter-spacing:-.04em;line-height:1.3}h2{font-size:34px;line-height:1.4}h3{font-size:22px}.topbar{height:112px;max-width:1440px;margin:auto;padding:0 40px;display:flex;align-items:center;gap:28px}.brand{border:0;background:none;font-size:36px;font-weight:700;letter-spacing:-.05em;padding:0}.mode-label{font-size:14px;color:var(--muted)}.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px}.quiet,.secondary{border:1px solid var(--line);background:var(--surface);border-radius:var(--radius);padding:12px 20px;transition:background .15s}.quiet{font-size:15px}.quiet:hover,.secondary:hover{background:#f3ecdf}.quiet span{display:inline-grid;place-items:center;border:1px solid currentColor;width:18px;height:18px;border-radius:50%;margin-left:6px;font-size:12px}.primary{background:var(--mint);border:1px solid transparent;border-radius:var(--radius);padding:14px 22px;font-size:18px;min-height:52px;transition:background .15s,transform .15s}.primary:hover:not(:disabled){background:#7bc1b0}.primary:active:not(:disabled){transform:translateY(1px)}.secondary{min-height:52px;font-size:18px}.wide{width:100%}.text-button{background:none;border:0;color:var(--muted);padding:8px 12px}.text-button:hover{color:var(--ink);text-decoration:underline}.page{max-width:1440px;margin:auto}.lobby-layout{display:grid;grid-template-columns:minmax(0,1fr) 420px;column-gap:100px;padding:62px 90px 30px 72px;align-items:start;position:relative}.hero{min-width:0}.hero h1{margin-top:38px}.hero-subtitle{font-size:22px;color:var(--muted);line-height:1.8;margin-top:20px}.hero-image{display:block;width:100%;max-width:650px;height:auto;aspect-ratio:1;object-fit:contain;mix-blend-mode:multiply;margin-top:12px}.entry-panel{padding-top:14px}.entry-panel h2{margin:0 0 24px}.segmented{display:flex;gap:0;border:1px solid var(--line);border-radius:15px;overflow:hidden;background:#fffbf4}.segmented>button,.segmented>label{flex:1;min-width:0;position:relative}.segmented>button{background:none;border:0;padding:15px 8px;font-size:17px}.segmented>button+button,.player-count>label+label{border-left:1px solid var(--line)}.segmented>button.active{background:#cce8df;box-shadow:inset 0 -2px #40796a}.lobby-tabs{margin-bottom:34px}.field{display:flex;flex-direction:column;gap:12px;font-size:16px;margin:0 0 28px}input:not([type=radio]):not([type=checkbox]){width:100%;min-height:52px;border:1px solid var(--line);border-radius:12px;background:var(--surface);padding:12px 16px;color:var(--ink);font-size:18px}input::placeholder{color:#9c9d96}#roomCode{letter-spacing:.12em;text-transform:uppercase}fieldset{padding:0;border:0;margin:0 0 30px;min-width:0}legend{margin-bottom:14px;padding:0}.player-count label{cursor:pointer}.player-count input{position:absolute;opacity:0;inset:0;width:100%;height:100%;margin:0;cursor:pointer}.player-count span{display:block;padding:15px 8px;text-align:center;font-size:18px}.player-count input:checked+span{background:#cce8df;box-shadow:inset 0 -2px #40796a}.player-count input:focus-visible+span{outline:3px solid #448677;outline-offset:-4px}.helper{color:var(--muted);font-size:14px;line-height:1.7}.center{text-align:center}#countHint{margin-top:18px;min-height:24px}.team-colors{display:flex;justify-content:space-around;margin-top:22px;font-size:14px}.team-colors span{padding:8px 12px;border:1px solid currentColor;border-radius:999px}.team-red{color:var(--red)}.team-yellow{color:var(--yellow)}.team-blue{color:var(--blue)}.team-green{color:var(--green)}#entrySubmit{margin-top:8px}#localButton{margin-top:12px}#localHint{margin-top:12px}.lobby-foot{grid-column:1/-1;text-align:center;font-size:17px;color:var(--muted);margin:18px 0}.lobby-foot span{padding:0 28px;color:#c7b797}.error-message{font-size:14px;color:#a43c2c;background:#fbe5dd;padding:12px 14px;border-radius:12px;margin:12px 0;line-height:1.65}.resume-line{margin-top:26px;padding-top:20px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;font-size:14px}.eyebrow{color:var(--muted);font-size:18px}.waiting-panel{text-align:center}.room-code-line{display:flex;align-items:center;justify-content:center;gap:8px;margin:18px 0 22px}.room-code-line strong{font-family:Georgia,serif;letter-spacing:.06em;font-size:40px;font-weight:600}.seat-count{color:var(--muted);margin:28px 0 20px}.seat-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:28px}.seat{padding:20px 8px;border-radius:22px;background:var(--seat-soft);border:1px solid color-mix(in srgb,var(--seat-color) 30%,transparent);min-width:0}.seat.empty{background:transparent;border:1px dashed #93bba6}.seat-color{width:48px;height:48px;display:grid;place-items:center;border-radius:50%;margin:0 auto 12px;background:var(--surface);color:var(--seat-color);font-size:22px;font-family:"Songti SC",serif}.seat strong{display:block;font-size:17px;overflow-wrap:anywhere}.seat small{display:block;font-size:13px;margin-top:8px;color:var(--seat-color);min-height:20px}#waitingHint{margin:12px 0}.connection-banner{position:relative;padding:12px 24px;text-align:center;font-size:14px;background:#f7e8bd;color:#785a17}.connection-banner button{margin-left:12px;border:0;background:none;text-decoration:underline}.game-layout{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:42px;padding:10px 40px 40px}.board-column{min-width:0}.player-strip{display:flex;gap:8px}.player-chip{flex:1;min-width:0;padding:12px;border:1px solid var(--line);border-radius:14px;font-size:14px;line-height:1.5;background:var(--surface)}.player-chip.active{border-color:var(--player-color);background:var(--player-soft)}.player-chip strong{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--player-color)}.player-chip small{display:block;color:var(--muted);font-size:12px}.turn-line{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:22px 0 18px}.turn-line h1{font-size:28px;letter-spacing:0;color:var(--turn-color,var(--ink))}.turn-line>span{font-size:13px;color:var(--muted);white-space:nowrap}.board{width:100%;max-width:850px;aspect-ratio:1;position:relative;border-radius:20px;isolation:isolate;box-shadow:0 6px 14px #66532a0b;background:var(--surface)}.board svg{display:block;width:100%;height:100%}.plane-layer{position:absolute;inset:0;pointer-events:none}.plane{position:absolute;transform:translate(-50%,-50%);width:8.1%;aspect-ratio:1;min-height:0;background:transparent;border:2px solid transparent;border-radius:20%;padding:0;pointer-events:auto;transition:transform .16s}.plane-art{display:block;width:100%;height:100%;background-image:url("./assets/planes-q-atlas.jpg");background-repeat:no-repeat;background-size:200% 200%;transform:rotate(var(--heading,0deg));transform-origin:center;pointer-events:none}.art-red{background-position:0 0}.art-yellow{background-position:100% 0}.art-blue{background-position:0 100%}.art-green{background-position:100% 100%}.plane:disabled{opacity:1;cursor:default}.plane.selectable{cursor:pointer;border-color:color-mix(in srgb,var(--plane-color) 40%,transparent)}.plane.selectable:hover,.plane.selected{border-color:var(--plane-color);box-shadow:0 0 0 3px #fffcf6cc;background:#fffcf64d}.plane .plane-number{position:absolute;right:-1px;bottom:-3px;min-width:18px;min-height:18px;display:grid;place-items:center;padding:1px 3px;background:var(--surface);border:1px solid var(--plane-color);border-radius:999px;font-size:11px;color:var(--plane-color);line-height:1}.plane.ghost{opacity:.46;pointer-events:none;border:2px dashed var(--plane-color);background:#fff8ee}.plane.moving{z-index:10;filter:drop-shadow(0 4px 3px #54452d30);will-change:left,top,transform;pointer-events:none}.plane.finished{opacity:.4}.airport-label{font-family:system-ui,sans-serif;font-size:.22px}.action-panel{padding-top:18px;min-width:0;display:flex;flex-direction:column;align-self:start}.action-heading h2{font-size:30px;color:var(--turn-color,var(--ink));line-height:1.4}.action-heading p{margin-top:10px}.dice-area{text-align:center;padding:26px 0 18px}.die{width:92px;height:92px;display:grid;grid-template-columns:repeat(3,1fr);grid-template-rows:repeat(3,1fr);gap:7px;padding:18px;border-radius:22px;background:#fffcf6;box-shadow:0 8px 18px #6a593722,inset 0 0 0 1px #e9dfcb;margin:0 auto 16px}.pip{background:transparent;border-radius:50%}.pip.on{background:#29352f;box-shadow:inset 0 1px 2px #0003}.die.rolling{animation:diceRoll .5s ease-in-out infinite}@keyframes diceRoll{0%,100%{transform:rotate(-5deg)}50%{transform:rotate(7deg) scale(1.04)}}.selection-label{font-size:15px;color:var(--muted);margin:8px 0 14px}.plane-choices{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}.plane-choice{padding:6px 4px;border:1px solid var(--line);background:var(--surface);border-radius:14px;min-width:0;min-height:68px;font-size:12px;color:var(--plane-color)}.plane-choice .plane-art{height:42px;width:42px;max-width:100%;display:block;margin:auto;mix-blend-mode:multiply}.plane-choice.selected{border:2px solid var(--plane-color);background:var(--plane-soft);padding:5px 3px}.preview-hint{min-height:45px;font-size:14px;line-height:1.7;padding:13px 0;color:var(--muted)}.stack-option{display:flex;align-items:flex-start;gap:10px;font-size:14px;line-height:1.6;padding:13px 14px;background:#e7f0e9;border-radius:12px;margin-bottom:16px}.stack-option input{width:20px;height:20px;flex:0 0 20px;accent-color:#40796a;margin:1px 0 0}.stack-option small{display:block;color:var(--muted);font-size:12px}.player-summary{border-top:1px solid var(--line);padding-top:22px;margin-top:24px}.player-summary h3{margin-bottom:14px}.summary-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 0;font-size:14px;border-bottom:1px solid #e5daca66}.summary-row strong{color:var(--player-color);overflow-wrap:anywhere}.summary-row small{color:var(--muted);white-space:nowrap}.move-details{font-size:14px;margin:18px 0}.move-details summary{cursor:pointer;min-height:44px;padding:12px 0;color:var(--muted)}.move-details ol{list-style:none;margin:0;padding:0;max-height:210px;overflow:auto}.move-details li{padding:9px 0;border-bottom:1px solid var(--line);font-size:13px;line-height:1.7;color:var(--muted)}.leave-game{margin-top:16px}.ranking-list{padding:0;margin:16px 0 34px;list-style:none}.ranking-list li{display:flex;gap:16px;align-items:center;padding:22px 0;border-bottom:1px solid var(--line);font-size:20px}.ranking-list .rank{font-family:Georgia,serif;font-size:28px;min-width:32px;color:var(--muted)}.ranking-list .winner .rank{color:#b98c2e}.ranking-list small{font-size:14px;color:var(--muted);display:block;margin-top:4px}#replayHint{margin:14px 0}.toast{position:fixed;bottom:28px;left:50%;transform:translateX(-50%);padding:13px 22px;max-width:min(90vw,540px);border-radius:14px;background:#293b34;color:#fff9ef;font-size:14px;line-height:1.6;z-index:30;box-shadow:0 6px 25px #293b3422;text-align:center}.dialog-card{background:var(--paper);border:1px solid var(--line);border-radius:24px;padding:28px;color:var(--ink);box-shadow:0 20px 70px #0002}.dialog-header{display:flex;align-items:center;gap:20px;justify-content:space-between;margin-bottom:20px}.dialog-header h2{font-size:30px}.icon-button{border:1px solid var(--line);background:var(--surface);width:44px;height:44px;border-radius:50%;font-size:28px;line-height:1;flex:0 0 44px}dialog{border:0;background:transparent;padding:0;max-height:calc(100dvh - 32px);max-width:calc(100vw - 24px);overflow:visible}dialog::backdrop{background:#202e2780;backdrop-filter:blur(3px)}.rules-dialog{width:740px}.rules-dialog .dialog-card{display:flex;flex-direction:column;max-height:calc(100dvh - 32px)}.rules-content{overflow:auto;overscroll-behavior:contain;padding:0 10px 20px 0;margin-bottom:8px}.rules-content section{margin:0 0 25px}.rules-content h3{font-size:22px;margin-bottom:10px}.rules-content p{font-size:15px;line-height:1.9;color:#626b62;margin-top:8px}.confirm-dialog{width:470px}.confirm-dialog h2{font-size:28px}.confirm-dialog p{font-size:16px;line-height:1.8;color:var(--muted);margin:18px 0 25px}.dialog-actions{display:flex;gap:10px}.dialog-actions button{flex:1;min-width:0}.danger{color:#a83f32}.confirm-dialog input{margin-bottom:22px}.noscript{padding:30px;font-size:20px;text-align:center}
@media(min-width:1600px){.lobby-layout{padding-top:75px}.hero-image{max-width:660px}.game-layout{grid-template-columns:850px 1fr}.board-column{width:850px}}
@media(max-width:1150px){.topbar{padding:0 28px}.lobby-layout{padding:30px 40px;gap:45px;grid-template-columns:minmax(0,1fr) 380px}.hero h1{font-size:42px}.hero-subtitle{font-size:18px}.hero-image{margin-top:45px}.game-layout{grid-template-columns:minmax(0,1fr) 285px;gap:24px;padding:12px 24px}.action-heading h2{font-size:25px}.player-chip{padding:9px}.turn-line h1{font-size:25px}.team-colors span{padding:7px 10px}}
@media(max-width:900px){.game-layout{display:block;max-width:834px;padding:0 28px 28px}.board{max-width:none}.action-panel{padding-top:24px;display:grid;grid-template-columns:1fr 1fr;gap:0 24px}.action-heading{grid-column:1/-1}.dice-area{grid-column:1;padding:18px 0}.action-panel>#rollButton{grid-column:2;align-self:center}#selectionArea{grid-column:1/-1}.player-summary{grid-column:1/-1}.move-details,.leave-game,#gameError{grid-column:1/-1}.plane-choices{grid-template-columns:repeat(4,minmax(0,1fr))}.plane-choice{min-height:72px}.plane-choice .plane-art{width:48px;height:48px}.action-heading h2{font-size:26px}.turn-line{margin:20px 0}.lobby-layout{gap:30px;grid-template-columns:1fr 350px;padding:20px 28px}.hero h1{font-size:36px}.hero-subtitle{font-size:17px}.entry-panel h2{font-size:30px}.topbar{height:96px}.hero-image{margin-top:30px}.lobby-foot{font-size:14px}.lobby-foot span{padding:0 12px}}
@media(max-width:700px){.topbar{padding:0 20px;height:86px;gap:12px;flex-wrap:wrap;align-content:center}.brand{font-size:29px}.header-actions{gap:6px}.quiet{padding:9px 13px;font-size:13px;border-radius:14px}.mode-label{order:3;flex-basis:100%;font-size:12px;line-height:1.5;margin-top:3px}.mode-label:empty{display:none}.lobby-layout{display:block;padding:12px 24px 28px}.hero h1{font-size:36px;letter-spacing:-.04em;margin-top:22px}.hero-subtitle{font-size:16px;margin-top:10px}.hero-image{width:255px;margin:-2px auto 0;max-width:75vw}.entry-panel{padding-top:0;max-width:430px;margin:auto}.entry-panel h2{display:none}.lobby-tabs{margin:0 0 24px}.field{margin-bottom:22px;gap:10px;font-size:14px}.segmented>button,.player-count span{font-size:16px;padding:12px 7px}.team-colors{margin-top:14px;font-size:12px}.team-colors span{padding:5px 9px}fieldset{margin-bottom:20px}legend{font-size:14px}.helper{font-size:13px}#countHint{margin-top:12px}.primary,.secondary{font-size:17px}.lobby-foot{font-size:12px;margin-top:26px}.lobby-foot span{padding:0 8px}.waiting-panel{margin-top:22px}.waiting-panel .eyebrow{font-size:16px}.waiting-panel .room-code-line{margin:14px 0 20px}.seat-grid{gap:12px}.seat{padding:15px 8px}.seat-count{margin:22px 0 16px}#waitingPage .hero h1{font-size:32px}#waitingPage .hero-subtitle{display:none}#waitingPage .hero-image{width:200px;margin-top:-5px}.game-layout{padding:6px 12px 24px}.player-strip{gap:5px}.player-chip{padding:8px 6px;font-size:12px;border-radius:11px}.player-chip small{font-size:10px}.turn-line{margin:19px 6px 15px;align-items:start}.turn-line h1{font-size:24px;line-height:1.35}.turn-line>span{font-size:11px;padding-top:6px}.board{border-radius:13px}.plane{width:8.5%;border-width:1px}.plane .plane-number{font-size:9px;min-width:14px;min-height:14px;bottom:-2px}.action-panel{padding:22px 8px 0;gap:0 16px;grid-template-columns:105px 1fr}.action-heading h2{font-size:23px}.action-heading p{margin-top:6px}.die{width:74px;height:74px;gap:5px;padding:15px;border-radius:18px;margin-bottom:10px}.dice-area{padding:17px 0 8px}.dice-area .helper{font-size:12px}.action-panel>#rollButton{margin:10px 0}#selectionArea{padding-top:8px}.plane-choices{gap:8px}.plane-choice{min-height:70px;font-size:12px}.plane-choice .plane-art{width:43px;height:43px}.preview-hint{font-size:13px;padding:10px 0;min-height:38px}.player-summary{margin-top:18px;padding-top:18px}.player-summary h3{font-size:20px}.summary-row{padding:10px 0;font-size:13px}.leave-game{margin-top:8px}.move-details{margin:12px 0 0}.dialog-card{padding:22px 20px;border-radius:20px}.dialog-header h2{font-size:26px}.rules-content h3{font-size:20px}.rules-content p{font-size:14px}.confirm-dialog h2{font-size:25px}.dialog-actions button{font-size:16px;padding:12px}.result-panel{padding-top:15px}.result-panel h2{display:block;font-size:28px}.ranking-list{margin:5px 0 24px}.ranking-list li{padding:18px 0;font-size:18px}.result-panel .helper{font-size:13px}.toast{bottom:max(22px,env(safe-area-inset-bottom));padding:12px 18px}#inviteButton{font-size:12px;padding:9px 10px}.connection-banner{padding:10px 16px;font-size:12px}}
.hero-image{mix-blend-mode:normal}
.plane{mix-blend-mode:normal}.plane .plane-art{mix-blend-mode:normal;clip-path:circle(44% at 50% 50%)}.plane:not(.ghost):not(.finished){opacity:1;filter:drop-shadow(0 2px 2px #273c3440)}
@media(min-width:901px){.game-layout{grid-template-columns:minmax(0,850px) minmax(280px,340px);justify-content:space-between}.game-layout .player-strip,.game-layout .turn-line{display:none}.game-layout .action-panel{padding-top:46px}.game-layout .board{width:min(100%,calc(100dvh - 150px));margin:0 auto}.game-layout .board-column{width:auto}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}