:root { color-scheme: light; font-family: Inter, "PingFang SC", "Microsoft YaHei", sans-serif; color: #1e2924; background: #eef1ed; }
* { box-sizing: border-box; }
body { min-height: 100vh; margin: 0; display: grid; place-items: center; padding: 24px; }
.login-card { width: min(100%, 440px); padding: 42px; border: 1px solid #d8ded9; border-radius: 24px; background: #fff; box-shadow: 0 20px 60px #20312814; }
.brand { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 14px; color: #fff; background: #275d48; font: 700 23px/1 Georgia, serif; text-decoration: none; }
.eyebrow { margin: 28px 0 8px; color: #618071; font-size: 13px; letter-spacing: .12em; }
h1 { margin: 0; font: 600 32px/1.2 Georgia, "Songti SC", serif; }
.intro { margin: 14px 0 28px; color: #647069; line-height: 1.7; }
label { display: block; margin-bottom: 8px; font-size: 14px; font-weight: 600; }
input, button { width: 100%; min-height: 48px; border-radius: 12px; font: inherit; }
input { padding: 0 14px; border: 1px solid #cbd4ce; }
input:focus { outline: 3px solid #a8c9b8; border-color: #275d48; }
button { margin-top: 14px; border: 0; color: #fff; background: #275d48; font-weight: 650; cursor: pointer; }
button:disabled { opacity: .65; cursor: wait; }
#status { min-height: 24px; margin: 18px 0 0; color: #496356; font-size: 14px; line-height: 1.5; }
.activity-list { display: grid; gap: 10px; margin: 20px 0; }
.activity-row { display: flex; align-items: center; gap: 8px; }
.activity-link { display: flex; justify-content: space-between; gap: 14px; padding: 14px; border: 1px solid #d8ded9; border-radius: 12px; color: inherit; text-decoration: none; }
.activity-row .activity-link { flex: 1; min-width: 0; }
.activity-link time { color: #6b7770; font-size: 12px; }
.archive-button { width: auto; min-height: 42px; margin: 0; padding: 0 12px; color: #496356; background: #fff; border: 1px solid #cbd4ce; white-space: nowrap; font-size: 13px; }
.archive-notice { padding: 12px 14px; color: #425e4e; background: #eaf2eb; border-radius: 10px; line-height: 1.5; }
.quiet-button { color: #496356; background: transparent; border: 1px solid #cbd4ce; }
@media (max-width: 520px) { .login-card { padding: 30px 24px; border-radius: 18px; } }