:root { --brand:#174a3f; --ink:#18312d; --muted:#6f7e7a; --line:#dce5e2; --canvas:#eef3f1; }
* { box-sizing: border-box; }
html { min-width: 320px; color: var(--ink); background: var(--canvas); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
body { min-height: 100vh; margin: 0; }
.login-shell { min-height: 100vh; padding: 28px; display: grid; place-items: center; background: linear-gradient(135deg, #edf3f1 0%, #f9fbfa 55%, #e4eeea 100%); }
.login-card { width: min(100%, 440px); padding: 34px; border: 1px solid var(--line); border-top: 5px solid var(--brand); border-radius: 18px; background: #fff; box-shadow: 0 28px 80px rgba(27, 57, 49, .14); }
.login-brand { display: flex; align-items: center; gap: 13px; padding-bottom: 24px; border-bottom: 1px solid #e8eeec; }
.login-brand img { width: 55px; height: 55px; object-fit: contain; }
.login-brand strong, .login-brand span { display: block; }
.login-brand strong { color: var(--brand); font-size: 19px; letter-spacing: .1em; }
.login-brand span { margin-top: 3px; color: var(--muted); font-size: 12px; }
.login-heading { padding: 27px 0 22px; }
.login-heading p { margin: 0 0 8px; color: var(--brand); font-size: 10px; font-weight: 850; letter-spacing: .16em; }
.login-heading h1 { margin: 0; font-size: 25px; line-height: 1.2; letter-spacing: -.03em; }
.login-heading span { display: block; margin-top: 10px; color: var(--muted); font-size: 13px; line-height: 1.55; }
.login-error { margin-bottom: 17px; padding: 12px 13px; border: 1px solid #e7c5c5; border-radius: 10px; color: #9d3636; background: #fff4f4; font-size: 12px; line-height: 1.45; }
.login-form { display: grid; gap: 16px; }
.login-form label { display: grid; gap: 7px; }
.login-form label span { color: #52645f; font-size: 11px; font-weight: 800; letter-spacing: .04em; text-transform: uppercase; }
.login-form input { width: 100%; height: 46px; padding: 0 13px; border: 1px solid #cbd8d4; border-radius: 10px; color: var(--ink); background: #fbfcfc; font: inherit; outline: none; }
.login-form input:focus { border-color: var(--brand); background: #fff; box-shadow: 0 0 0 3px rgba(23, 74, 63, .11); }
.login-form button { height: 47px; margin-top: 4px; border: 0; border-radius: 10px; color: #fff; background: var(--brand); font: inherit; font-weight: 800; cursor: pointer; box-shadow: 0 10px 24px rgba(23, 74, 63, .18); }
.login-form button:hover { background: #103d34; }
.login-card footer { margin-top: 27px; padding-top: 16px; display: flex; justify-content: space-between; gap: 16px; color: var(--muted); border-top: 1px solid #e8eeec; font-size: 10px; }
@media (max-width:520px) { .login-shell { padding: 14px; } .login-card { padding: 25px 21px; border-radius: 14px; } .login-heading h1 { font-size: 22px; } }