:root {
    --skies-navy: #0A1D37;
    --skies-blue: #235A9A;
    --skies-technical: #4C9BE8;
    --skies-carbon: #2B2B2B;
    --skies-bg: #F5F8FC;
    --skies-card: #FFFFFF;
    --skies-border: rgba(10, 29, 55, 0.12);
}

* {
    box-sizing: border-box;
}

html, body {
    min-height: 100%;
}

body {
    margin: 0;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: var(--skies-carbon);
    background:
        radial-gradient(circle at top left, rgba(76, 155, 232, 0.16), transparent 32rem),
        linear-gradient(135deg, #F8FBFF 0%, var(--skies-bg) 100%);
}

.auth-shell {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 2rem;
}

.auth-card {
    width: min(100%, 540px);
    background: var(--skies-card);
    border: 1px solid var(--skies-border);
    border-radius: 28px;
    box-shadow: 0 24px 70px rgba(10, 29, 55, 0.14);
    padding: 2.2rem;
}

.auth-eyebrow {
    color: var(--skies-blue);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-bottom: 0.7rem;
}

.auth-title {
    color: var(--skies-navy);
    font-size: clamp(1.85rem, 5vw, 2.65rem);
    line-height: 1.04;
    margin: 0 0 1rem;
}

.auth-copy {
    color: rgba(43, 43, 43, 0.76);
    line-height: 1.65;
    margin: 0 0 1.4rem;
}

.auth-actions {
    display: flex;
    gap: 0.8rem;
    flex-wrap: wrap;
    margin-top: 1.4rem;
}

.auth-button {
    border: 0;
    appearance: none;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    border-radius: 999px;
    padding: 0.85rem 1.25rem;
    font-weight: 800;
    cursor: pointer;
}

.auth-button-primary {
    color: #fff;
    background: linear-gradient(135deg, var(--skies-blue), var(--skies-technical));
    box-shadow: 0 12px 28px rgba(35, 90, 154, 0.24);
}

.auth-button-secondary {
    color: var(--skies-blue);
    background: rgba(76, 155, 232, 0.10);
}

.auth-alert {
    border-radius: 18px;
    padding: 1rem 1.1rem;
    margin-bottom: 1.3rem;
    background: rgba(76, 155, 232, 0.11);
    border: 1px solid rgba(76, 155, 232, 0.22);
    color: var(--skies-navy);
}

.auth-meta {
    border-top: 1px solid var(--skies-border);
    margin-top: 1.6rem;
    padding-top: 1rem;
    color: rgba(43, 43, 43, 0.58);
    font-size: 0.88rem;
}