[hidden] { display:none !important; }
:root { color-scheme: light; font-family: -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif; }
* { box-sizing: border-box; }
body { margin: 0; background: linear-gradient(145deg, #f5faec, #eef5ff); color: #253312; }
.login-shell { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.login-card { width: min(440px, 100%); background: #fff; border: 1px solid #dce8ca; border-radius: 24px; box-shadow: 0 20px 55px rgba(48, 78, 17, .12); padding: 36px; }
.login-brand { display: inline-flex; gap: 9px; align-items: center; color: #31510a; font-size: 26px; font-weight: 800; text-decoration: none; }
.login-brand span { color: #89c30f; }
.preview-badge { display: inline-block; margin: 24px 0 8px; padding: 5px 10px; border-radius: 999px; background: #eef7dc; color: #4c700b; font-size: 13px; font-weight: 700; }
h1 { margin: 8px 0 10px; font-size: 28px; }
p { color: #647052; line-height: 1.7; }
form { display: grid; gap: 18px; margin-top: 26px; }
label { display: grid; gap: 8px; color: #3a472a; font-weight: 700; }
input { width: 100%; border: 1px solid #cbd7ba; border-radius: 12px; padding: 13px 14px; font: inherit; }
input:focus { outline: 3px solid rgba(137, 195, 15, .22); border-color: #89c30f; }
button { border: 0; border-radius: 12px; padding: 14px; background: #679a00; color: #fff; font: inherit; font-weight: 800; cursor: pointer; }
button:disabled { opacity: .65; cursor: wait; }
.login-error { margin: 0; padding: 10px 12px; border-radius: 10px; background: #fff0ef; color: #a32d26; font-weight: 700; }
.login-note { margin: 24px 0 0; padding-top: 20px; border-top: 1px solid #edf1e7; font-size: 13px; }
@media (max-width: 520px) { .login-card { padding: 26px 22px; border-radius: 18px; } }