@font-face {
    font-family: "Anthropic Sans";
    src: url("https://cdn.prod.website-files.com/67ce28cfec624e2b733f8a52/69971a00a3295036497e1a28_AnthropicSans-Roman-Web.woff2") format("woff2");
    font-style: normal;
    font-weight: 300 800;
    font-display: swap;
}
@font-face {
    font-family: "Anthropic Serif";
    src: url("https://cdn.prod.website-files.com/67ce28cfec624e2b733f8a52/69971a1551eb6cda0d656e8a_AnthropicSerif-Roman-Web.woff2") format("woff2");
    font-style: normal;
    font-weight: 300 800;
    font-display: swap;
}
:root {
    --login-ink: #141413;
    --login-muted: #5e5d59;
    --login-primary: #141413;
    --login-canvas: #f0eee6;
    --login-surface: #faf9f5;
    --login-accent: #d97757;
    --login-line: rgba(20, 20, 19, .16);
    --font-sans: "Anthropic Sans", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
    --font-serif: "Anthropic Serif", "Songti SC", "STSong", Georgia, serif;
}
* { box-sizing: border-box; }
html, body { min-height: 100%; }
body {
    margin: 0;
    color: var(--login-ink);
    font-family: var(--font-sans);
    background: var(--login-canvas);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}
.login-shell { min-height: 100vh; display: grid; grid-template-columns: 1.15fr .85fr; }
.login-story { padding: 8vw; display: flex; flex-direction: column; justify-content: space-between; color: var(--login-surface); background: var(--login-ink); }
.login-brand { display: flex; align-items: center; gap: 12px; }
.login-brand strong { font-family: var(--font-serif); font-size: 18px; font-weight: 500; }
.login-brand img { width: 40px; height: 40px; padding: 3px; border-radius: 7px; background: var(--login-surface); }
.login-copy { max-width: 620px; }
.login-copy span { color: var(--login-accent); font-size: 11px; font-weight: 600; letter-spacing: .15em; }
.login-copy h1 { margin: 18px 0; font-family: var(--font-serif); font-size: clamp(38px, 6vw, 72px); font-weight: 400; line-height: 1.04; letter-spacing: -.045em; }
.login-copy p { max-width: 520px; color: #d1cfc5; font-size: 17px; line-height: 1.7; }
.login-story footer { color: #87867f; font-size: 12px; }
.login-panel-wrap { padding: 5vw; display: flex; align-items: center; justify-content: center; background: var(--login-surface); }
.login-panel { width: min(420px, 100%); }
.login-panel h2 { margin: 0; font-family: var(--font-serif); font-size: 34px; font-weight: 400; letter-spacing: -.02em; }
.login-panel > p { margin: 9px 0 30px; color: var(--login-muted); }
.login-field { margin-bottom: 18px; }
.login-field label { display: block; margin-bottom: 7px; font-size: 13px; font-weight: 600; }
.login-field input { width: 100%; height: 48px; padding: 0 14px; border: 1px solid var(--login-line); border-radius: 8px; outline: none; background: var(--login-surface); font: inherit; }
.login-field input:focus { border-color: var(--login-primary); box-shadow: 0 0 0 3px rgba(20, 20, 19, .08); }
.login-submit { width: 100%; height: 48px; border: 0; border-radius: 8px; color: var(--login-surface); background: var(--login-primary); font: inherit; font-weight: 600; cursor: pointer; }
.login-submit:hover { background: #3d3d3a; }
.login-submit:disabled { opacity: .65; cursor: wait; }
.login-error { min-height: 22px; margin: 14px 0 0; color: #b42318; font-size: 13px; }
@media (max-width: 820px) {
    .login-shell { grid-template-columns: 1fr; }
    .login-story { min-height: 330px; padding: 36px 7vw; }
    .login-copy h1 { font-size: 42px; }
    .login-copy p { font-size: 15px; }
    .login-panel-wrap { padding: 48px 7vw; }
}