.card-login{width:min(480px,calc(100% - 32px));max-height:calc(100dvh - 40px);padding:36px;border:1px solid var(--line);border-radius:26px;background:var(--paper);color:var(--ink);box-shadow:0 24px 90px #0003;overflow:auto}
.card-login::backdrop{background:#16192388;backdrop-filter:blur(18px)}
.card-login .login-topline{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:30px}
.card-login .login-home{display:block;font-size:14px;color:var(--muted);margin:0}
.card-login .login-contact{padding:6px 0;color:var(--ink);font-size:14px;cursor:pointer;white-space:nowrap;background:none;border:0}
.card-login .login-contact:hover{color:var(--accent)}
.card-login .login-contact:focus-visible{outline:2px solid var(--focus);outline-offset:4px;border-radius:3px}
.sumo-contact-dialog{width:min(360px,calc(100% - 32px));max-height:calc(100dvh - 40px);padding:30px 24px 20px;border:1px solid var(--line);border-radius:22px;background:var(--paper);color:var(--ink);box-shadow:0 24px 80px #0003;overflow:auto}
.sumo-contact-dialog::backdrop{background:#16192388;backdrop-filter:blur(12px)}
.sumo-contact-dialog h2{font-size:24px;margin:8px 0 10px;line-height:1.4}
.sumo-contact-dialog p{font-size:14px;color:var(--muted);line-height:1.7;margin:0 0 18px}
.sumo-contact-dialog img{display:block;width:min(240px,100%);height:auto;aspect-ratio:1;object-fit:contain;padding:10px;background:white;border-radius:12px;margin:20px auto}
.sumo-contact-dialog .contact-close{position:absolute;top:10px;right:12px;width:36px;height:36px;border:0;border-radius:50%;background:var(--surface);color:var(--ink);font-size:24px;cursor:pointer}
.contact-wechat{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:10px;font-size:14px}
.contact-wechat strong{font-weight:550;user-select:all}
.contact-wechat button{padding:7px 10px;border:1px solid var(--line);border-radius:8px;background:var(--surface);color:var(--ink);cursor:pointer;font-size:13px}
.sumo-contact-dialog #contactCopyStatus{min-height:0;text-align:center;margin:12px 0 0}
.sumo-contact-dialog #contactCopyStatus:empty{display:none}
.login-wordmark{font-size:12px;letter-spacing:1.8px;color:var(--muted)}
.card-login h2{font-size:32px;line-height:1.3;letter-spacing:-1px;margin:16px 0}
.card-login>p{font-size:17px;color:var(--muted);margin-bottom:28px}
.card-login label{display:block;margin:16px 0 8px;font-size:15px}
.card-login input{width:100%;font-size:17px;height:52px}
.card-login .button{width:100%;margin:16px 0}
.card-login small,.login-device p{font-size:13px;line-height:1.8;color:var(--muted)}
.login-device{margin-top:18px;font-size:13px;color:var(--muted)}
.login-device summary{cursor:pointer}.login-device p{margin:12px 0}
.runtime-cancel{margin-top:12px;color:var(--muted);font-size:14px;text-decoration:underline;text-underline-offset:4px}
.inline-progress[data-indeterminate=true]>span{width:30%!important;animation:runtime-wait 1.4s ease-in-out infinite alternate}
@keyframes runtime-wait{to{transform:translateX(220%)}}
@media(prefers-reduced-motion:reduce){.inline-progress[data-indeterminate=true]>span{animation:none}}
body[data-runtime=real] .demo-controls,body[data-runtime=real] .demo-options,body[data-runtime=real] .previous-concept{display:none!important}
.upload-finished-card{display:flex;align-items:center;gap:14px;margin-top:18px;padding:12px 16px;border:1px solid var(--line);border-radius:12px;background:var(--paper);color:var(--ink);text-decoration:none;transition:border-color .18s,box-shadow .18s}
.upload-finished-card:hover{border-color:#779ce6;box-shadow:0 5px 20px #275bdc0e}
.upload-finished-card .history-cover{width:48px;height:48px;flex:0 0 48px;display:grid;place-items:center;border-radius:8px;background:var(--surface)}
.finished-info{display:grid;flex:1;min-width:0;grid-template-columns:minmax(0,1fr) auto;gap:3px 10px;align-items:center}
.finished-info small{grid-column:2;grid-row:1;font-size:12px;color:#527ccd;white-space:nowrap}.finished-info strong{grid-column:1;grid-row:1;font-size:16px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.finished-info>span{grid-column:1/-1;font-size:13px;color:var(--muted)}

.card-login .login-binding-note{font-size:13px;line-height:1.8;color:var(--muted);margin:10px 0 18px}
.login-guide{font-size:14px;color:var(--ink);margin:16px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:13px 0}
.login-guide summary{cursor:pointer;line-height:1.6;padding:5px 0}
.login-guide>summary{font-weight:550}
.login-guide p{font-size:14px;line-height:1.85;color:var(--muted);margin:8px 0}
.login-guide>details{padding:8px 0;border-top:1px solid var(--line)}
.login-guide>details[open]>summary{color:var(--accent)}
.login-prevention{padding:14px 0 12px}.login-prevention strong,.login-unbind strong{font-size:14px;font-weight:550}
.login-unbind{background:var(--surface);border-radius:10px;padding:14px;margin:14px 0 4px}
.login-unbind .text-button{color:var(--accent);font-size:14px;padding:8px 0 0}
.login-guide summary:focus-visible{outline:2px solid var(--focus);outline-offset:2px;border-radius:4px}

.concept-studio .download-retry{align-self:flex-start;min-height:36px;padding:5px 0;color:var(--accent);font-size:14px;text-align:left;text-decoration:underline;text-underline-offset:4px}
.concept-studio .download-retry:disabled{color:var(--muted);cursor:wait;text-decoration:none}