:root {
    color-scheme: light;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --ink: #10212b;
    --muted: #667985;
    --teal: #087f8c;
    --teal-dark: #075d68;
    --line: #dce5e8;
    --surface: #ffffff;
    --sand: #eef4f2;
    --danger: #b42318;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    min-height: 100vh;
    color: var(--ink);
    background:
        radial-gradient(circle at 20% 20%, rgba(33, 167, 177, .16), transparent 32rem),
        linear-gradient(135deg, #e7f0ed 0%, #f7faf9 55%, #e9f2f4 100%);
}

.login-layout {
    min-height: 100vh;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(360px, 520px);
    align-items: center;
    gap: clamp(3rem, 8vw, 9rem);
    padding: clamp(2rem, 7vw, 7rem);
}

.login-brand { max-width: 640px; }
.environment-badge {
    display: inline-flex;
    padding: .4rem .7rem;
    border-radius: 999px;
    background: #fef3c7;
    color: #92400e;
    font-size: .68rem;
    font-weight: 800;
    letter-spacing: .12em;
}

.eyebrow, .card-kicker {
    margin: 1.5rem 0 .5rem;
    color: var(--teal-dark);
    font-size: .78rem;
    font-weight: 800;
    letter-spacing: .14em;
    text-transform: uppercase;
}

.login-brand h1 {
    margin: 0;
    font-size: clamp(3rem, 8vw, 6.5rem);
    letter-spacing: -.07em;
    line-height: .92;
}

.login-brand h1 span { color: var(--teal); }
.brand-copy {
    max-width: 36rem;
    margin-top: 2rem;
    color: #3d5560;
    font-size: clamp(1rem, 2vw, 1.25rem);
    line-height: 1.65;
}

.login-card {
    padding: clamp(1.5rem, 4vw, 3rem);
    border: 1px solid rgba(255, 255, 255, .9);
    border-radius: 1.5rem;
    background: rgba(255, 255, 255, .92);
    box-shadow: 0 2rem 5rem rgba(22, 48, 57, .15);
    backdrop-filter: blur(12px);
}

.login-card header h2 { margin: .25rem 0 .5rem; font-size: 1.75rem; letter-spacing: -.03em; }
.login-card header p:last-child { margin: 0 0 2rem; color: var(--muted); }
.login-card form { display: grid; gap: .65rem; }
.login-card label { margin-top: .55rem; font-size: .85rem; font-weight: 750; }
.login-card input {
    width: 100%;
    min-height: 3rem;
    border: 1px solid var(--line);
    border-radius: .75rem;
    padding: .75rem .9rem;
    background: #fbfdfd;
    color: var(--ink);
    font: inherit;
    outline: none;
}

.login-card input:focus { border-color: var(--teal); box-shadow: 0 0 0 3px rgba(8, 127, 140, .14); }
.login-card button {
    min-height: 3.1rem;
    margin-top: .65rem;
    border: 0;
    border-radius: .75rem;
    background: var(--teal);
    color: var(--brand-on-primary, #fff);
    font: inherit;
    font-weight: 800;
    cursor: pointer;
    transition: background .15s ease, transform .15s ease;
}
.login-card button:hover { background: var(--teal-dark); color: #fff; transform: translateY(-1px); }
.login-card button:disabled { opacity: .65; cursor: wait; transform: none; }
.form-error { min-height: 1.25rem; margin: .3rem 0 0; color: var(--danger); font-size: .86rem; }
.login-self-service { display: flex; flex-wrap: wrap; gap: .5rem 1.25rem; margin-top: 1rem; }
.login-self-service a { color: var(--teal-dark); font-size: .86rem; font-weight: 700; }
.login-card footer { display: flex; flex-wrap: wrap; gap: .5rem 1rem; margin-top: 2rem; padding-top: 1.25rem; border-top: 1px solid var(--line); }
.login-card footer a { color: var(--muted); font-size: .75rem; text-decoration: none; }
.login-card footer a:hover { color: var(--teal-dark); text-decoration: underline; }

@media (max-width: 820px) {
    .login-layout { grid-template-columns: 1fr; gap: 2rem; padding: 1.25rem; }
    .login-brand { padding: 1rem .5rem 0; }
    .login-brand h1 { font-size: 3.6rem; }
    .brand-copy { margin-top: 1rem; font-size: .98rem; }
}