* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; display: grid; place-items: center; padding: 1.5rem; background: #f5f2ec; color: #222; font-family: Arial, sans-serif; }
.login-shell { width: min(100%, 26rem); }
.login-card { background: #fff; border: 1px solid #ded8ce; border-radius: 1rem; padding: 2rem; box-shadow: 0 1rem 3rem rgba(30,25,20,.08); }
.brand-mark { width: 2.75rem; height: 2.75rem; display: grid; place-items: center; border-radius: 50%; background: #222; color: #fff; font-weight: 700; }
.eyebrow { margin: 1.25rem 0 .35rem; text-transform: uppercase; letter-spacing: .12em; font-size: .75rem; }
h1 { margin: 0; font-size: 1.8rem; }
.intro { color: #666; margin-bottom: 1.5rem; }
form { display: grid; gap: 1rem; }
label { display: grid; gap: .4rem; font-weight: 600; }
input { width: 100%; padding: .8rem .9rem; border: 1px solid #bbb; border-radius: .55rem; font: inherit; }
input:focus { outline: 2px solid #333; outline-offset: 2px; }
.login-submit { border: 0; border-radius: .55rem; padding: .85rem 1rem; background: #222; color: #fff; font: inherit; font-weight: 700; cursor: pointer; }
.message { margin: 1rem 0; padding: .8rem; border-radius: .5rem; background: #fff0f0; color: #8b1d1d; }
.password-label-row { display: flex; align-items: center; justify-content: space-between; width: 100%; }
.password-toggle { border: 0; background: transparent; padding: .2rem; color: #333; font: inherit; font-size: .8rem; cursor: pointer; }