:root {
  color: #261f1a;
  background: #eee9e2;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
body { min-width: 320px; min-height: 100vh; margin: 0; }
.login-shell { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.login-card { width: min(430px, 100%); padding: 40px; border: 1px solid #d6cdc2; border-radius: 24px; background: #fffdf9; box-shadow: 0 24px 70px rgba(54, 42, 32, 0.14); }
.brand-mark { width: 48px; height: 48px; display: grid; place-items: center; border-radius: 14px; background: #9b7553; color: white; font: 700 24px Georgia, serif; }
.eyebrow { margin: 22px 0 8px; color: #9b7553; font-size: 12px; font-weight: 800; letter-spacing: 0.13em; text-transform: uppercase; }
h1 { margin: 0; font: 600 clamp(28px, 7vw, 38px)/1.08 Georgia, serif; }
.intro { margin: 14px 0 26px; color: #6d6258; line-height: 1.55; }
form { display: grid; gap: 10px; }
label { margin-top: 8px; font-size: 13px; font-weight: 750; }
input { width: 100%; min-height: 46px; padding: 0 13px; border: 1px solid #cfc5ba; border-radius: 10px; background: white; color: inherit; font: inherit; }
input:focus { outline: 3px solid rgba(155, 117, 83, 0.2); border-color: #9b7553; }
button { min-height: 48px; margin-top: 12px; border: 0; border-radius: 10px; background: #9b7553; color: white; font: 800 15px inherit; cursor: pointer; }
button:disabled { opacity: 0.65; cursor: wait; }
.error { margin: 6px 0 0; color: #a22c2c; font-size: 13px; }