:root{color-scheme:dark;--ink:#102923;--panel:#17342b;--paper:#eee7d7;--muted:#b4c1b2;--line:#d7dfcc30;--accent:#d8c79e;--danger:#ffc3ac;--scroll:#718776;font-family:"PingFang SC","Microsoft YaHei",sans-serif;font-synthesis:none;scrollbar-color:var(--scroll) var(--ink);scrollbar-width:auto}
*{box-sizing:border-box}*::-webkit-scrollbar{width:10px;height:10px}*::-webkit-scrollbar-track{background:var(--ink)}*::-webkit-scrollbar-thumb{background:var(--scroll);border:2px solid var(--ink);border-radius:8px}*::-webkit-scrollbar-thumb:hover{background:#a6b5a5}*::-webkit-scrollbar-thumb:active{background:var(--accent)}html,body{margin:0;min-height:100%;background:var(--ink);color:var(--paper)}body{min-height:100vh;min-height:100dvh}button,input,textarea{font:inherit}a{color:inherit;text-decoration:none}button,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer;min-height:44px}button:disabled{cursor:wait;opacity:.55}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--accent);outline-offset:4px}button:active:not(:disabled){transform:translateY(1px)}[hidden]{display:none!important}.shell{min-height:100dvh;display:flex;flex-direction:column}.bar{min-height:76px;padding:14px clamp(20px,5vw,72px);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:12px}.brand{display:flex;align-items:center;gap:12px;font-size:15px;letter-spacing:.08em}.brand-mark{display:grid;place-items:center;width:31px;height:36px;border:1px solid var(--accent);color:var(--accent);font-family:"Songti SC",SimSun,serif;font-size:22px;flex-shrink:0}.brand-context{font-size:12px;color:var(--muted);letter-spacing:.03em}.toolbar,.actions{display:flex;gap:8px;flex-wrap:wrap}.quiet,.secondary,.danger{background:transparent;border:1px solid var(--line);color:var(--paper);font-size:13px;padding:9px 14px;border-radius:3px}.quiet{border-color:transparent}.quiet:hover,.secondary:hover{background:#ffffff0d;border-color:#d7dfcc60}.danger{color:var(--danger);border-color:#ffac8955}.danger:hover{background:#ffac891a}.primary{padding:14px 20px;background:var(--paper);color:var(--ink);border:1px solid var(--paper);font-weight:600;display:flex;justify-content:space-between;align-items:center;gap:12px;min-height:50px}.primary:hover{background:#fff5df}.full{width:100%}.landing{flex:1;display:flex;flex-direction:column;justify-content:center;width:min(1100px,100%);margin:auto;padding:42px 30px 24px}.entry{display:grid;grid-template-columns:1.05fr 1fr;border:1px solid var(--line);background:var(--panel);overflow:hidden;min-height:620px}.entry-copy{padding:42px 54px;min-width:0}.eyebrow{margin:0 0 28px;color:var(--accent);font-size:11px;letter-spacing:.22em}h1{font-family:"Songti SC","STSong",SimSun,serif;font-weight:500;font-size:76px;letter-spacing:.13em;line-height:1.1;margin:0 0 20px}.intro{font-size:14px;line-height:1.9;color:var(--muted);margin:0 0 28px}label{display:block;font-size:13px;margin:16px 0 8px;color:var(--paper)}input,textarea{width:100%;min-width:0;color:var(--paper);background:#0c241dcc;border:1px solid #738574;padding:12px;border-radius:3px;min-height:46px;font-size:16px}input[aria-invalid="true"]{border-color:var(--danger)}input:disabled{opacity:.65}textarea{resize:none;min-height:80px}input::placeholder,textarea::placeholder{color:#9ead9e}.password-row{display:flex;align-items:stretch;margin-bottom:20px}.password-row input{border-radius:3px 0 0 3px}.password-toggle{flex-shrink:0;border:1px solid #738574;border-left:0;background:#203e32;color:var(--paper);font-size:12px;padding:8px 10px;border-radius:0 3px 3px 0}.password-toggle:hover{background:#2c4d3f}.hint{font-size:12px;line-height:1.8;color:var(--muted);margin:13px 0;overflow-wrap:anywhere}.status{font-size:13px;line-height:1.8;min-height:46px;margin:14px 0 0;overflow-wrap:anywhere}.status.error,.game-status.error{color:var(--danger)}.account-name{font-size:20px;overflow-wrap:anywhere}.landscape{background:linear-gradient(150deg,#e4dcc4,#c7c8ac 54%,#adb7a0);position:relative;overflow:hidden;isolation:isolate}.moon{position:absolute;width:126px;height:126px;border-radius:50%;top:75px;right:60px;background:#faf0d1;box-shadow:0 0 60px #fff5c63b}.mountain{position:absolute;width:140%;height:70%;bottom:-12%;left:-20%;border-radius:48% 58% 0 0;transform:rotate(-25deg);background:linear-gradient(130deg,#728575,#3f6152)}.mountain-back{bottom:0;left:15%;opacity:.58;transform:rotate(35deg);border-radius:55% 62% 0 0;background:linear-gradient(145deg,#9aa38a,#648074)}.water{position:absolute;inset:70% -30% -20%;transform:rotate(-10deg);border-radius:50%;background:linear-gradient(160deg,#90a58e,#2b5141 70%);border-top:1px solid #cfd7b729}.scene-label{position:absolute;right:28px;bottom:32px;font-family:"Songti SC",SimSun,serif;writing-mode:vertical-rl;font-size:18px;color:#eef0df;letter-spacing:.55em}.landing-footer{display:flex;justify-content:space-between;gap:16px;padding:20px 0;font-size:11px;line-height:1.8;color:var(--muted)}.playing{height:100dvh;overflow:hidden}.playing .shell{height:100%;min-height:0}.playing .bar{min-height:58px;flex-shrink:0;padding:8px max(14px,env(safe-area-inset-right)) 8px max(14px,env(safe-area-inset-left))}.game-stage{flex:1;min-height:0;background:#030805}.game-stage iframe{display:block;width:100%;height:100%;border:0;background:#000}.game-status{margin:0;padding:8px 16px;font-size:12px;background:var(--ink);flex-shrink:0;overflow-wrap:anywhere}.noscript{padding:20px;text-align:center}.admin-main{width:min(1220px,100%);margin:auto;padding:36px 26px 60px;flex:1}.admin-main h1{font-size:38px;letter-spacing:.08em;margin-bottom:12px}.admin-login{max-width:420px;margin:36px auto}.panel{padding:26px;border:1px solid var(--line);background:var(--panel);min-width:0}.admin-grid{display:grid;grid-template-columns:320px 1fr;gap:22px;align-items:start}.panel h2{font-size:19px;font-weight:500;margin:0 0 20px}.list-heading{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}.list-heading h2{margin:0}.user-list{display:grid;gap:12px;margin:20px 0;min-height:120px}.user-card{border:1px solid var(--line);padding:18px;background:#10292366;overflow-wrap:anywhere}.user-card h3{font-size:17px;font-weight:500;margin:0 0 6px}.user-card .actions{margin-top:14px}.badge{font-size:11px;display:inline-block;padding:3px 7px;border:1px solid #9ead9e;color:var(--paper);margin-left:8px;vertical-align:middle}.badge.disabled{color:var(--danger);border-color:#ffac8955}.pagination{display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:12px;color:var(--muted)}.field-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}.check-label{display:flex;align-items:center;gap:10px}.check-label input{width:18px;height:18px;min-height:0;accent-color:#d8c79e}dialog{width:min(540px,calc(100% - 32px));max-height:calc(100dvh - 32px);overflow:auto;scrollbar-gutter:stable;background:var(--panel);color:var(--paper);border:1px solid var(--line);padding:26px;box-shadow:0 20px 80px #0008}dialog::backdrop{background:#04170fe0}dialog h2{font-size:21px;margin:0 0 18px}.dialog-actions{display:flex;justify-content:flex-end;gap:10px;flex-wrap:wrap;margin-top:24px}.session-row{border-bottom:1px solid var(--line);padding:14px 0;overflow-wrap:anywhere}.session-row p{margin:4px 0;font-size:12px;line-height:1.7;color:var(--muted)}.busy-note{font-size:12px;color:var(--muted)}
@media(max-width:760px){.bar{padding:13px 18px;min-height:64px}.brand-context{display:none}.toolbar{gap:0}.quiet{padding:8px 10px}.landing{padding:24px 18px 12px}.entry{grid-template-columns:1fr;min-height:0}.entry-copy{padding:30px}.eyebrow{margin-bottom:23px}h1{font-size:62px}.intro{margin-bottom:20px}.landscape{height:132px}.moon{width:70px;height:70px;top:20px;right:56px}.mountain{height:160%;bottom:-110%}.mountain-back{bottom:-75%;transform:rotate(14deg)}.mountain-front{transform:rotate(-12deg)}.water{inset:86% -30% -20%}.scene-label{font-size:12px;right:20px;bottom:15px}.landing-footer{display:block}.landing-footer span{display:block}.admin-main{padding:24px 18px 40px}.admin-grid{grid-template-columns:1fr}.panel{padding:22px}.field-row{grid-template-columns:1fr}.admin-main h1{font-size:30px}.playing .brand{font-size:12px}.playing .brand-mark{width:26px;height:30px;font-size:18px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition:none!important}}@media(forced-colors:active){:root{scrollbar-color:auto}button,input,dialog{border:1px solid ButtonText}.landscape{display:none}}

/* Portal art is local, vector-only, and deliberately quiet behind the form. */
.landscape-art{position:absolute;inset:0;width:100%;height:100%;display:block}.art-caption{position:absolute;top:50px;left:40px;display:flex;gap:18px;writing-mode:vertical-rl;font-family:"Songti SC",SimSun,serif;font-size:18px;letter-spacing:.4em;line-height:1.8;color:#345345}.art-caption span:last-child{padding-top:35px;color:#60755d}.scene-seal{position:absolute;right:28px;bottom:30px;color:#efe3bd;border:1px solid #cebb89;padding:7px 6px;font-family:"Songti SC",SimSun,serif;font-size:17px;line-height:1.2}.landing{width:min(1260px,100%)}.entry{grid-template-columns:1.08fr 1fr;min-height:664px}.entry-copy{padding:44px clamp(32px,5.1vw,72px)}.entry-copy h1{font-size:clamp(80px,8vw,110px);font-weight:400;letter-spacing:.19em}.entry-copy .intro{letter-spacing:.11em;margin-bottom:28px}.entry-copy form,.entry-copy #account{max-width:340px}.entry-copy .primary{letter-spacing:.13em}.entry-copy .eyebrow{margin-bottom:25px}.entry-copy #status{max-width:360px}.entry-copy label{letter-spacing:.08em}.entry-copy input{background:#112c24}.entry-copy .password-toggle{background:#18362b}
body[data-page="admin"]{--ink:#071018;--panel:#0d1a26;--paper:#eff7f7;--muted:#91a8b6;--line:#244255;--accent:#f4c979;--danger:#ef9b9f;--scroll:#6d8998;background:var(--ink)}body[data-page="admin"] .admin-main{padding:4px 8px 30px}body[data-page="admin"] .panel{border-radius:16px}body[data-page="admin"] .user-card{background:#112535;border-radius:10px}body[data-page="admin"] input,body[data-page="admin"] textarea{background:#071018;border-color:#476070}body[data-page="admin"] .password-toggle{background:#163044;border-color:#476070}body[data-page="admin"] .primary{background:#f4c979;border-color:#f4c979;color:#17232a}body[data-page="admin"] .primary:hover{background:#ffe1a4}
@media(max-width:760px){.entry{grid-template-columns:1fr;min-height:0}.entry-copy{padding:30px}.entry-copy h1{font-size:70px}.entry-copy form,.entry-copy #account{max-width:none}.landscape{height:160px}.landscape-art{height:420px;top:-220px}.art-caption{display:none}.scene-seal{bottom:17px;right:20px;font-size:13px;padding:5px}.entry-copy .intro{margin-bottom:22px}.entry-copy .eyebrow{margin-bottom:22px}body[data-page="admin"] .admin-main{padding:2px 0 24px}}
@media(max-width:360px){.entry-copy{padding:25px 22px}.entry-copy h1{font-size:61px}.bar{padding:12px 14px}.landing{padding:20px 14px 10px}.password-toggle{font-size:11px;padding:8px}.playing .quiet{font-size:12px;padding:8px}.brand{gap:8px}}

/* Copy feedback stays beside its own customer action, never exposes the passcode. */
.copy-control{display:inline-flex;align-items:center;gap:8px;flex-wrap:wrap;max-width:100%}.copy-feedback{font-size:12px;line-height:1.4;color:#b5e8bc;font-weight:600}.copy-feedback:empty{display:none}.copy-feedback.error{color:var(--danger)}.secondary.copy-success{border-color:#91c99b;background:#91c99b18;color:#c6efd0}.copy-feedback:not(:empty){animation:copy-appear .16s ease-out}@keyframes copy-appear{from{opacity:0;transform:translateY(3px)}to{opacity:1;transform:none}}@media(prefers-reduced-motion:reduce){.copy-feedback{animation:none!important}}

select{width:100%;min-height:46px;padding:12px;color:var(--paper);background:#0c241d;border:1px solid #738574;border-radius:3px;font:inherit}select:focus-visible{outline:2px solid var(--accent);outline-offset:4px}

/* Same custom dropdown controls as the authorization-code workbench. */
.custom-select{position:relative;min-width:0}
.select-trigger{display:flex;align-items:center;justify-content:space-between;gap:14px;width:100%;padding:10px 12px;border:1px solid #2a4859;border-radius:9px;background:#091722;color:var(--paper);text-align:left}
.select-trigger:hover,.select-trigger[aria-expanded=true]{border-color:#7bcbd4;background:#0d2030}
.select-chevron{width:7px;height:7px;border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);transform:rotate(45deg);margin:0 2px 4px}
.select-trigger[aria-expanded=true] .select-chevron{transform:rotate(225deg);margin:4px 2px 0}
.select-menu{position:absolute;z-index:30;left:0;right:0;top:calc(100% + 6px);padding:5px;border:1px solid #315268;border-radius:10px;background:#102534;box-shadow:0 15px 35px rgba(0,0,0,.45);max-height:240px;overflow:auto}
.select-menu.above{top:auto;bottom:calc(100% + 6px)}
.select-option{display:block;width:100%;padding:8px 10px;border:0;border-radius:7px;background:transparent;color:#cde0e5;text-align:left}
.select-option:hover,.select-option:focus{background:#1d4357;outline:none}
.select-option[aria-selected=true]{background:#274538;color:#83dfc4}
.select-option[aria-selected=true]:after{content:"✓";float:right}

/* Game-only viewport. Entry controls remain on the landing desk; checks still run. */
body[data-page="portal"].playing .bar,body[data-page="portal"].playing .game-status{display:none!important}

/* Keep logout with the signed-in entry actions, never inside the game. */
.account-logout{display:block;width:100%;margin-top:22px;min-height:46px;text-align:center;border-color:var(--muted);color:var(--paper)}