:root{--background:#f4f7fb;--surface:#ffffff;--foreground:#202124;--muted:#5f6368;--muted-strong:#3c4043;--line:#dadce0;--line-strong:#c7ccd1;--accent:#16a34a;--accent-dark:#0b7f38;--error:#b3261e;--error-soft:#fceeee;--font-sans:Inter,Helvetica,"Helvetica Neue","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif}*{box-sizing:border-box}body,html{min-height:100%;margin:0;background:var(--background);color:var(--foreground);font-family:var(--font-sans)}body{min-width:320px}a{color:inherit;text-decoration:none}img{display:block}.auth-shell{min-height:100dvh;display:grid;place-items:center;padding:24px}.auth-layout{width:min(1040px,100%);min-height:410px;display:grid;grid-template-columns:minmax(0,1fr) minmax(360px,.95fr);grid-gap:32px;gap:32px;border:1px solid var(--line);border-radius:8px;background:var(--surface);padding:36px}.auth-layout.compact{width:min(880px,100%);min-height:360px}.auth-card,.auth-copy{min-width:0}.auth-copy{display:flex;flex-direction:column}.auth-card{align-self:center;display:grid;grid-gap:18px;gap:18px}.brand-lockup{width:-moz-fit-content;width:fit-content;display:inline-flex;align-items:center;gap:12px;font-weight:850}.brand-lockup img{border-radius:8px}.brand-lockup span{display:grid;grid-gap:1px;gap:1px}.brand-lockup strong{font-size:20px;line-height:1}.brand-lockup small{color:var(--muted);font-size:12px;font-weight:750;line-height:1.2}dd,dl,dt,h1,h2,p{letter-spacing:0}h1,h2{margin:0;color:var(--foreground)}h1{margin-top:72px;font-size:36px;line-height:1.18}h1,h2{font-weight:520}h2{font-size:24px;line-height:1.2}.lead{max-width:420px;margin:14px 0 0;color:var(--muted-strong);font-size:16px;line-height:1.6}.card-heading{display:grid;grid-gap:8px;gap:8px}.card-heading p{margin:0;color:var(--muted);font-size:14px;line-height:1.6}.form-intro{margin:0;color:var(--foreground);font-size:24px;font-weight:520;line-height:1.2}.auth-form{display:grid;grid-gap:10px;gap:10px}.field-label{color:var(--muted-strong);font-size:13px;font-weight:650}input{width:100%;min-height:52px;border:1px solid var(--line-strong);border-radius:8px;background:#fff;color:var(--foreground);font:inherit;font-size:16px;padding:0 14px}input::placeholder{color:#8b9094}input:focus{border-color:var(--accent);outline:2px solid rgba(22,163,74,.18)}.helper-copy{margin:0;color:var(--muted);font-size:13px;line-height:1.5}.button,button{min-height:42px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--accent);border-radius:999px;background:var(--accent);color:#fff;cursor:pointer;font:inherit;font-size:14px;font-weight:650;padding:0 22px;white-space:nowrap}.button:hover,button:hover{border-color:var(--accent-dark);background:var(--accent-dark)}.button:focus-visible,button:focus-visible{outline:3px solid rgba(22,163,74,.24);outline-offset:2px}.button.secondary,button.secondary{border-color:var(--line-strong);background:#fff;color:var(--foreground)}.button.secondary:hover,button.secondary:hover{border-color:#a7adb4;background:#f8fafc}.auth-actions{display:flex;align-items:center;justify-content:flex-end;gap:16px;margin-top:20px}.auth-actions a,.auth-actions p{margin:0;color:var(--accent-dark);font-size:14px;font-weight:650;line-height:1.5}.button-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:10px}.legal-copy{margin:0;color:var(--muted);font-size:12px;line-height:1.6}.legal-copy a{color:var(--accent-dark);font-weight:650}.error{margin:0;border:1px solid #f2b8b5;border-radius:8px;background:var(--error-soft);color:var(--error);font-size:14px;font-weight:620;line-height:1.5;padding:12px 14px}.dev-code{display:grid;grid-gap:8px;gap:8px;border:1px solid #b8dfc0;border-radius:8px;background:#f2fbf3;color:var(--accent-dark);padding:14px}.dev-code span{font-size:12px;font-weight:650}.dev-code strong{color:#075f2a;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,monospace;font-size:24px;letter-spacing:0}.account-summary{display:grid;grid-gap:8px;gap:8px;border:1px solid var(--line);border-radius:8px;background:#f8fafc;padding:16px}.account-summary span{color:var(--muted);font-size:12px;font-weight:700}.account-summary strong{overflow-wrap:anywhere;color:var(--foreground);font-size:18px;font-weight:700}@media (max-width:760px){.auth-shell{align-items:stretch;padding:16px}.auth-layout,.auth-layout.compact{min-height:auto;align-content:start;grid-template-columns:1fr;gap:32px;padding:28px}h1{margin-top:44px;font-size:32px}h2{font-size:22px}.lead{font-size:15px}}@media (max-width:520px){.auth-shell{display:block;padding:0}.auth-layout,.auth-layout.compact{min-height:100dvh;border:0;border-radius:0;gap:28px;padding:32px 24px}.brand-lockup img{width:32px;height:32px}.brand-lockup strong{font-size:18px}h1{margin-top:28px;font-size:32px}.auth-card{align-self:start}.auth-actions{align-items:flex-end}.auth-actions a{max-width:52%}}