/* Remaining authentication and notice surfaces share the approved paper family. */
.auth-paper-shell,.connection-screen,.legacy-dialog{
  --legacy-ink:#293b35;--legacy-muted:#61716a;--legacy-tone:#15584e;--legacy-line:#d4ddce;--legacy-paper:#fffef9;
  color:var(--legacy-ink);font-family:"Noto Sans SC","Microsoft YaHei",sans-serif;
}
.legacy-kicker{display:block;color:#63765a;font-size:.62rem;font-weight:700;line-height:1.7;letter-spacing:.1em}
.auth-paper-shell{display:grid;grid-template-columns:minmax(0,1fr);place-items:center;gap:0;min-height:100dvh;padding:38px 28px;background:radial-gradient(ellipse at 8% 16%,#e7eddf 0%,transparent 48%),radial-gradient(ellipse at 94% 90%,#e9e9dd 0%,transparent 45%),#f0f1e9}
.auth-book{position:relative;isolation:isolate;display:grid;grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr);width:min(1120px,100%);min-height:674px;border:1px solid #d4d9c8;border-radius:8px 24px 24px 8px;background:#fffef9;box-shadow:0 28px 70px -30px #35432c3d,0 2px 5px #35432c0a}
.auth-book:before{content:"";position:absolute;z-index:2;inset:0 auto 0 54%;width:26px;transform:translateX(-50%);background:linear-gradient(90deg,transparent,#3753300a 42%,#37533010 50%,#fffef980 60%,transparent);pointer-events:none}
.auth-book:after{content:"";position:absolute;z-index:-1;left:5px;right:5px;top:12px;bottom:-7px;border:1px solid #d4d9c8;border-radius:8px 22px 22px 8px;background:#fafaf2;box-shadow:0 4px 0 -1px #e5e8dc;pointer-events:none}
.auth-paper-shell .auth-art{position:relative;display:flex;flex-direction:column;justify-content:flex-start;padding:37px 43px 31px;overflow:hidden;min-width:0;min-height:674px;border:0;border-radius:8px 0 0 8px;background:linear-gradient(145deg,#eef2e6 0%,#f3f4e9 48%,#e9efdf 100%);color:var(--legacy-ink)}
.auth-paper-shell .auth-art:before,.auth-paper-shell .auth-art:after{content:none}
.auth-paper-shell .brand-row,.connection-brand{display:flex;align-items:center;gap:12px}
.auth-paper-shell .brand-cn,.connection-brand .brand-cn{font-family:"Noto Serif SC","Songti SC","STSong",serif;color:#2e352b}
.auth-paper-shell .brand-lockup{display:flex;align-items:center;justify-content:space-between;gap:18px}
.auth-brand-note{font-size:.59rem;letter-spacing:.12em;color:#61715c}
.auth-story{position:relative;z-index:1;display:flex;flex-direction:column;align-items:flex-start;margin:51px 0 0;padding:0;min-width:0}
.auth-story>.legacy-kicker{margin:0 0 16px;font-size:.63rem;letter-spacing:.11em;color:#65745e}
.auth-paper-shell .auth-quote{max-width:100%;margin:0;font:900 clamp(1.8rem,3.2vw,2.4rem)/1.48 "SimSun","宋体","Noto Serif SC",serif;letter-spacing:.035em;color:#293f32;overflow-wrap:anywhere}
.auth-quote>span{display:block}
.auth-quote>span+span{margin-top:7px;font-size:1.21em;color:#15584e;letter-spacing:.075em}
.auth-story-note{max-width:170px;margin:23px 0 0;font-size:.7rem;line-height:1.95;color:#61715c}
.auth-scene{position:absolute;z-index:0;right:13px;bottom:53px;width:332px;margin:0;isolation:isolate;pointer-events:none}
.auth-scene:before{content:"";position:absolute;z-index:-1;inset:20% 7% 3% 0;border:1px solid #bdcdb2;border-radius:49% 51% 45% 55%;transform:rotate(-13deg)}
.auth-scene:after{content:"";position:absolute;z-index:-2;inset:25% 1% 8% 5%;border-radius:46% 54% 52% 48%;background:#dbe6ce;transform:rotate(10deg)}
.auth-scene-paper{position:absolute;z-index:-1;left:10%;top:23%;width:72%;height:64%;background:#fcfcf3;border:1px solid #d8dec9;border-radius:3px;transform:rotate(-10deg)}
.auth-scene img,.connection-art img,.legacy-dialog-art img{display:block;width:100%;height:auto;object-fit:contain;pointer-events:none;user-select:none}
.auth-art-footer{position:relative;z-index:1;display:flex;align-items:center;gap:13px;margin:auto 0 0;padding-top:30px;color:#61715c;font-size:.6rem;line-height:1.8;letter-spacing:.04em}
.auth-art-footer i{width:21px;height:1px;background:#aabca0}
.auth-paper-shell .auth-panel{display:grid;place-items:center;padding:38px 46px 30px;min-width:0;align-content:center;border-radius:0 24px 24px 0;background:linear-gradient(105deg,#fbfcf5,#fffef9 16%)}
.auth-paper-shell .auth-card{display:block;width:min(354px,100%);padding:0;border:0;border-radius:0;background:transparent;box-shadow:none}
.auth-form-head{margin-bottom:30px;padding-bottom:24px;border-bottom:1px solid #dfe5d6}
.auth-form-head>.legacy-kicker{margin-bottom:13px;font-size:.62rem;letter-spacing:.1em}
.auth-paper-shell .auth-card h1{display:grid;gap:2px;margin:0 0 14px;color:#344331;font:900 1.85rem/1.35 "SimSun","宋体","Noto Serif SC",serif;letter-spacing:.04em;overflow-wrap:anywhere}
.auth-paper-shell .auth-card h1 strong{color:#15584e;font:inherit;font-size:1.16em;letter-spacing:.08em}
.auth-form-head>p{max-width:290px;margin:0;color:var(--legacy-muted);font-size:.69rem;line-height:1.9}
.auth-paper-shell .field,.legacy-dialog .field{min-width:0;gap:8px;margin-bottom:18px}
.auth-paper-shell .field label,.legacy-dialog .field label{font-size:.73rem;line-height:1.6;font-weight:700;color:#455e4d}
.auth-paper-shell .field input:not([type="checkbox"]),.legacy-dialog .field :is(input:not([type="checkbox"]),select,textarea){min-width:0;width:100%;min-height:46px;padding:11px 13px;border:1px solid #bdcbb7;border-radius:11px;background:#fffefa;color:var(--legacy-ink);font-size:.77rem;line-height:1.6;box-shadow:inset 0 1px 3px #2f422b06}
.auth-paper-shell .field input::placeholder,.legacy-dialog .field input::placeholder{color:var(--legacy-muted);opacity:1}
.auth-paper-shell .field input:focus,.legacy-dialog .field :is(input,select,textarea):focus{border-color:var(--legacy-tone);box-shadow:0 0 0 2px #15584e1a}
.auth-paper-shell .field .help{font-size:.65rem;line-height:1.8;color:var(--legacy-muted)}
.auth-paper-shell .password-visibility{margin-top:3px;gap:9px}
.auth-paper-shell .password-visibility [role="checkbox"]{flex-shrink:0;border-color:#72886a;color:white;box-shadow:none}
.auth-paper-shell .password-visibility [role="checkbox"][data-state="checked"]{background:#15584e;border-color:#15584e}
.auth-paper-shell .error-text{margin:3px 0 13px;font-size:.7rem;line-height:1.7;color:#9b382c;overflow-wrap:anywhere}
.auth-paper-shell .error-text:empty{min-height:0;margin:0}
.auth-paper-shell .btn,.connection-screen .btn,.legacy-dialog .btn{height:auto;min-height:44px;max-width:100%;padding:11px 17px;font-size:.73rem;line-height:1.6;white-space:normal;overflow-wrap:anywhere;box-shadow:none}
.auth-paper-shell .btn-primary,.connection-screen .btn-primary,.legacy-dialog .btn-primary{background:#15584e;border-color:#15584e;color:#fff}
.auth-paper-shell .btn-primary:hover,.connection-screen .btn-primary:hover,.legacy-dialog .btn-primary:hover{background:#15584e;border-color:#15584e;box-shadow:0 5px 12px #153b2820}
.auth-paper-shell .auth-card>.auth-switch-note{margin:18px 0 0;padding-top:0;border:0;text-align:center;font-size:.68rem;color:var(--legacy-muted)}
.auth-paper-shell .auth-card>.auth-privacy-note{display:flex;align-items:center;justify-content:center;gap:7px;margin:21px 0 0;padding-top:17px;border-top:1px solid #e3e7db;font-size:.6rem;line-height:1.6;color:#61715c}
.auth-privacy-note>span{width:5px;height:5px;border-radius:50%;background:#6c8b67}
.auth-paper-shell .link-button{padding:4px 5px;background:transparent;border:0;color:#15584e;font-size:inherit;font-weight:700;white-space:normal}
.auth-paper-shell .link-button:hover{text-decoration:underline;text-underline-offset:4px}
.auth-paper-shell :focus-visible,.connection-screen :focus-visible,.legacy-dialog :focus-visible{outline:2px solid #48634b;outline-offset:3px}

/* Explicit opt-in only: specialized workspace/verification Dialogs stay intact. */
.sd-dialog.modal.legacy-dialog{width:min(640px,calc(100vw - 32px));padding:27px 29px;border:1px solid var(--legacy-line);border-radius:24px;background:linear-gradient(145deg,#fffef9 48%,#edf3e7);box-shadow:0 25px 70px #162b2633}
.legacy-dialog .modal-head{position:relative;display:grid;grid-template-columns:minmax(0,1fr) 132px;align-items:center;gap:16px;margin:0 0 21px;padding:0 18px 18px 0;border-bottom:1px solid var(--legacy-line);min-width:0}
.legacy-dialog .modal-head>div{min-width:0}
.legacy-dialog .modal-head h2{margin:0;font:900 clamp(1.45rem,3vw,1.85rem)/1.5 "SimSun","宋体","Noto Serif SC",serif;color:var(--legacy-ink);letter-spacing:.025em;overflow-wrap:anywhere}
.legacy-dialog .modal-head p{margin:11px 0 0;font-size:.72rem;line-height:1.9;color:var(--legacy-muted);overflow-wrap:anywhere}
.legacy-dialog .modal-head .legacy-kicker{margin-bottom:7px}
.legacy-dialog-art{width:132px;align-self:center;justify-self:end;pointer-events:none}
.legacy-dialog .modal-close{position:absolute;right:-10px;top:-9px;display:grid;place-items:center;width:36px;height:36px;min-width:36px;min-height:36px;background:#fffefa;border:1px solid #cbd5c2;border-radius:50%;color:#53664c;box-shadow:none}
.legacy-dialog .lock-summary{margin:0 0 19px;padding:15px 17px;border:1px solid #d0dac5;border-radius:13px;background:#f2f5e9;color:#435b44;font-size:.73rem;line-height:1.95;overflow-wrap:anywhere}
.legacy-dialog .backup-notice{margin:0 0 18px;padding:14px 16px;border:1px solid #dcbfa8;border-radius:13px;background:#fff5e9;color:#80512e;font-size:.72rem;line-height:1.9;overflow-wrap:anywhere}
.legacy-dialog .modal-actions{display:flex;gap:10px;justify-content:flex-end;flex-wrap:wrap;margin-top:20px;padding-top:18px;border-top:1px solid var(--legacy-line)}
.legacy-dialog .btn-ghost{background:#fffefa;border-color:#cbd7c2;color:#465849}
.legacy-dialog .btn-ghost:hover{background:#fffefa;text-decoration:underline;text-underline-offset:4px}
.legacy-dialog .btn:is(.btn-red,.btn-danger){background:#fff2eb;border-color:#d4b3a6;color:#963b2d}
.legacy-dialog .btn:is(.btn-red,.btn-danger):hover{background:#fff2eb;border-color:#b27561;text-decoration:underline;text-underline-offset:4px}
.legacy-dialog .field input[readonly]{background:#f1f4ea;color:#596956;border-color:#d5ddcb}
.legacy-reauth .modal-head{padding-right:0}
.legacy-reauth #reauth-form>.field:first-child{margin-bottom:17px}

/* Boot and connection errors use the same identity without an interactive shell. */
.connection-screen{display:grid;place-items:center;min-height:100dvh;padding:32px 20px;background:radial-gradient(ellipse at 30% 15%,#edf3e4 0%,transparent 58%),#faf9f2}
.connection-card{width:min(500px,100%);padding:28px 36px 34px;border:1px solid #d4ddce;border-radius:25px;background:#fffef9;box-shadow:0 15px 42px #2f432510;text-align:center;min-width:0}
.connection-brand{justify-content:center;margin-bottom:7px}
.connection-art{width:min(220px,76%);margin:10px auto 0;pointer-events:none}
.connection-card>.legacy-kicker{margin:0 0 8px}
.connection-card h1{margin:0;font:900 clamp(1.5rem,3vw,1.85rem)/1.55 "SimSun","宋体","Noto Serif SC",serif;overflow-wrap:anywhere}
.connection-card p{margin:13px 0 22px;color:var(--legacy-muted);font-size:.73rem;line-height:1.9;overflow-wrap:anywhere}
.connection-loading{display:flex;justify-content:center;gap:8px;padding:0 0 4px}
.connection-loading span{width:6px;height:6px;border-radius:50%;background:#6e8c63}
.connection-loading span:nth-child(2){opacity:.65}
.connection-loading span:nth-child(3){opacity:.35}

@media(max-width:1100px) and (min-width:821px){.auth-paper-shell{padding:28px 24px}.auth-paper-shell .auth-art{padding:34px 31px}.auth-brand-note{font-size:.54rem;letter-spacing:.03em}.auth-paper-shell .auth-quote{font-size:1.85rem}.auth-scene{width:280px;right:8px}.auth-paper-shell .auth-panel{padding:34px}.auth-paper-shell .auth-card h1{font-size:1.7rem}.auth-art-footer{gap:9px;font-size:.55rem}}
@media(max-width:820px){
  .auth-paper-shell{padding:24px 22px 32px;align-content:center}
  .auth-book{grid-template-columns:minmax(0,1fr);width:min(660px,100%);min-height:0;border-radius:8px 21px 21px 8px}
  .auth-book:before{display:none}
  .auth-paper-shell .auth-art{min-height:295px;padding:28px 34px;border-radius:8px 21px 0 0}
  .auth-story{display:block;padding:0;margin:28px 0 0;min-height:0}
  .auth-story>.legacy-kicker{margin-bottom:10px;font-size:.58rem;letter-spacing:.07em}
  .auth-paper-shell .auth-quote{font-size:1.8rem;line-height:1.45;letter-spacing:.025em}
  .auth-story-note{max-width:180px;margin:16px 0 0;font-size:.64rem;line-height:1.85}
  .auth-scene{right:26px;bottom:10px;width:225px;margin:0}
  .auth-art-footer{display:none}
  .auth-paper-shell .auth-panel{display:grid;padding:35px 42px 31px;border-radius:0 0 21px 8px;background:#fffef9}
  .auth-paper-shell .auth-card{width:min(460px,100%);padding:0}
  .auth-form-head{margin-bottom:25px;padding-bottom:22px}
  .auth-paper-shell .auth-card h1{display:block;font-size:1.65rem;line-height:1.5}
  .auth-paper-shell .auth-card h1 strong{font-size:1em;letter-spacing:inherit}
}
@media(max-width:540px){
  .auth-paper-shell{padding:16px 14px 26px}
  .auth-paper-shell .auth-art{min-height:286px;padding:24px 23px 25px}
  .auth-paper-shell .brand-lockup{gap:12px}
  .auth-brand-note{font-size:.53rem;letter-spacing:.035em}
  .auth-story{margin-top:27px}
  .auth-story>.legacy-kicker{font-size:.53rem;letter-spacing:.025em}
  .auth-paper-shell .auth-quote{font-size:clamp(1.15rem,5.5vw,1.55rem);line-height:1.55;letter-spacing:0}
  .auth-quote>span+span{margin-top:5px}
  .auth-story-note{max-width:128px;font-size:.6rem;line-height:1.8;margin-top:16px}
  .auth-scene{width:145px;bottom:1px;right:10px}
  .auth-paper-shell .auth-panel{padding:29px 23px 25px}
  .auth-paper-shell .auth-card h1{font-size:1.45rem;letter-spacing:.025em}
  .auth-form-head{margin-bottom:24px;padding-bottom:20px}
  .auth-form-head>.legacy-kicker{margin-bottom:8px;font-size:.59rem}
  .auth-form-head>p{font-size:.66rem}
  .auth-paper-shell .field input:not([type="checkbox"]){font-size:.75rem}
  .sd-dialog.modal.legacy-dialog{width:calc(100vw - 24px);max-width:calc(100vw - 24px);padding:22px 17px;border-radius:20px}
  .legacy-dialog .modal-head{grid-template-columns:minmax(0,1fr) 88px;gap:10px;padding:0 8px 16px 0;margin-bottom:18px}
  .legacy-dialog .modal-head h2{font-size:1.4rem;line-height:1.55}
  .legacy-dialog .modal-head p{font-size:.67rem;line-height:1.85;margin-top:8px}
  .legacy-dialog-art{width:88px}
  .legacy-dialog .modal-close{width:32px;height:32px;min-width:32px;min-height:32px;top:-7px;right:-7px}
  .legacy-dialog .modal-head .legacy-kicker{font-size:.53rem;letter-spacing:.025em}
  .legacy-dialog .lock-summary,.legacy-dialog .backup-notice{font-size:.68rem;padding:12px 13px}
  .legacy-dialog .modal-actions{gap:8px;margin-top:18px;padding-top:15px}
  .legacy-dialog .modal-actions .btn{font-size:.68rem;padding:10px 12px}
  .connection-screen{padding:24px 16px}
  .connection-card{padding:24px 21px 29px;border-radius:21px}
  .connection-art{width:190px}
  .connection-card h1{font-size:1.5rem}
}
@media(max-width:360px){.auth-paper-shell{padding-inline:12px}.auth-paper-shell .auth-art{padding-inline:20px}.auth-brand-note{font-size:.49rem}.auth-paper-shell .brand-row{gap:9px}.auth-scene{width:120px;right:6px;bottom:7px}.auth-paper-shell .auth-panel{padding-inline:20px}.auth-paper-shell .auth-card h1{font-size:1.3rem}.legacy-dialog .modal-head{grid-template-columns:minmax(0,1fr) 70px;gap:8px}.legacy-dialog-art{width:70px}.legacy-dialog .modal-head h2{font-size:1.25rem}}
@media(prefers-reduced-motion:reduce){.auth-paper-shell *,.connection-screen *,.legacy-dialog *{animation:none!important;transition:none!important}}
body.reduce-motion .auth-paper-shell *,body.reduce-motion .connection-screen *,body.reduce-motion .legacy-dialog *{animation:none!important;transition:none!important}