:root { color-scheme: light; font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; color: #18211c; background: radial-gradient(circle at top, #e8f3ec, #f6f7f5 52%); }
.login-shell { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.login-card { width: min(100%, 430px); padding: 36px; border: 1px solid #dce5de; border-radius: 24px; background: rgba(255,255,255,.96); box-shadow: 0 24px 70px rgba(27,64,42,.14); }
.brand-mark { width: 52px; height: 52px; display: grid; place-items: center; border-radius: 16px; color: white; background: #176b3a; font-weight: 800; }
.eyebrow { margin: 24px 0 6px; color: #176b3a; font-size: 12px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
h1 { margin: 0; font-size: clamp(28px, 6vw, 38px); line-height: 1.05; }
.intro { margin: 12px 0 28px; color: #607066; }
form, label { display: grid; gap: 8px; }
form { gap: 18px; }
label { color: #33443a; font-size: 14px; font-weight: 700; }
input { width: 100%; border: 1px solid #cbd8cf; border-radius: 12px; padding: 13px 14px; font: inherit; outline: none; }
input:focus { border-color: #27854e; box-shadow: 0 0 0 3px rgba(39,133,78,.14); }
button { min-height: 46px; border-radius: 12px; border: 0; padding: 0 18px; font: inherit; font-weight: 800; cursor: pointer; }
button:disabled { cursor: wait; opacity: .65; }
.primary { color: white; background: #176b3a; }
.secondary { width: 100%; color: #23362a; border: 1px solid #cbd8cf; background: white; }
.message { min-height: 20px; margin: -4px 0 0; color: #b42318; font-size: 14px; }
.google-panel { margin-top: 22px; text-align: center; }
.google-panel span { display: block; margin-bottom: 14px; color: #809087; font-size: 13px; }
@media (max-width: 520px) { .login-card { padding: 28px 22px; border-radius: 18px; } }