:root {
    color-scheme: light;
    --ink: #132238;
    --muted: #637083;
    --paper: #f4f7fb;
    --card: #ffffff;
    --blue: #155eef;
    --blue-dark: #0d3fab;
    --line: #dfe6ef;
    font-family: Inter, "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
}

* { box-sizing: border-box; }
body { margin: 0; color: var(--ink); background: var(--paper); }
.shell { width: min(1080px, calc(100% - 40px)); margin: 0 auto; padding: 44px 0 72px; }

.hero {
    min-height: 380px;
    display: grid;
    align-content: center;
    padding: 64px;
    border-radius: 28px;
    color: white;
    background: radial-gradient(circle at 82% 18%, #53b7ff 0, transparent 28%),
        linear-gradient(135deg, #0a2864, #155eef 70%, #09a7c6);
    box-shadow: 0 24px 80px rgba(25, 75, 150, .22);
}
.eyebrow { margin: 0 0 12px; font-size: 12px; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; opacity: .75; }
h1 { margin: 0; font-size: clamp(36px, 6vw, 60px); line-height: 1.06; letter-spacing: -.04em; }
.lead { max-width: 640px; margin: 20px 0 28px; font-size: 17px; line-height: 1.8; opacity: .9; }
.hero-note { max-width: 640px; margin: 18px 0 0; font-size: 13px; line-height: 1.7; opacity: .75; }

.actions { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.actions form { margin: 0; }
.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    padding: 0 22px;
    border: 1px solid transparent;
    border-radius: 12px;
    font: inherit;
    font-weight: 750;
    cursor: pointer;
    text-decoration: none;
}
.button.primary { color: var(--blue-dark); background: white; }
.button.block { width: 100%; }

.auth-shell { display: grid; place-items: center; min-height: 100vh; padding: 24px 0; }
.auth-card {
    width: min(460px, 100%);
    padding: 40px 36px 44px;
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 22px;
    box-shadow: 0 16px 60px rgba(30, 54, 91, .12);
}
.auth-card h1 { font-size: clamp(28px, 5vw, 36px); }
.auth-card .lead { margin-bottom: 24px; font-size: 15px; }
.auth-form { display: grid; gap: 16px; }
.auth-form label { display: grid; gap: 8px; }
.auth-form label span { font-size: 13px; font-weight: 800; color: var(--muted); }
.auth-form input {
    min-height: 46px;
    padding: 0 14px;
    border: 1px solid var(--line);
    border-radius: 12px;
    font: inherit;
    color: var(--ink);
    background: white;
}
.auth-form input:focus { outline: 2px solid var(--blue); outline-offset: 1px; border-color: var(--blue); }

.notice { margin: 0 0 18px; padding: 12px 14px; border-radius: 12px; font-size: 14px; line-height: 1.6; }
.notice.error { color: #a4161a; background: #fdecec; border: 1px solid #f6c9c9; }
.notice.warn { color: #8a5a00; background: #fff6e0; border: 1px solid #f2ddb0; }

.profile-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 18px; margin-top: 24px; }
.profile-card { padding: 26px 30px; background: var(--card); border: 1px solid var(--line); border-radius: 18px; box-shadow: 0 8px 30px rgba(30, 54, 91, .06); }
.profile-card h2 { margin: 0 0 14px; font-size: 17px; }
.profile-card dl { display: grid; gap: 0; margin: 0; }
.profile-card dl div { display: grid; grid-template-columns: 110px 1fr; gap: 16px; padding: 11px 0; border-bottom: 1px solid var(--line); }
.profile-card dl div:last-child { border-bottom: 0; }
.profile-card dt { color: var(--muted); font-size: 13px; font-weight: 800; }
.profile-card dd { margin: 0; overflow-wrap: anywhere; font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 14px; }
.roles-lead { margin: 0 0 14px; color: var(--muted); font-size: 13px; line-height: 1.7; }
.roles { margin: 0; padding: 0; list-style: none; display: grid; gap: 8px; }
.roles li { padding: 10px 14px; border: 1px solid var(--line); border-radius: 10px; font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 14px; background: white; }

@media (max-width: 760px) {
    .shell { width: min(100% - 24px, 1080px); padding-top: 18px; }
    .hero { min-height: 320px; padding: 34px 24px; }
    .profile-grid { grid-template-columns: 1fr; }
    .profile-card { padding: 22px; }
    .profile-card dl div { grid-template-columns: 96px 1fr; }
}