:root {
    --navy: #0a315a;
    --navy-dark: #061b31;
    --line: #d6e0e8;
    --ink: #172433;
    --muted: #647587;
    --bg: #eaf0f5;
    --danger: #b52b2f;
    --radius: 6px;
}

* {
    box-sizing: border-box;
}

html,
body {
    min-width: 320px;
    min-height: 100%;
    margin: 0;
}

body {
    min-height: 100vh;
    background: white;
    color: var(--ink);
    font-family: "Segoe UI", system-ui, -apple-system, Arial, sans-serif;
    font-size: 16px;
}

.auth-shell {
    display: grid;
    min-height: 100vh;
    grid-template-columns: 2fr 450px;
}

.auth-brand {
    position: relative;
    display: flex;
    overflow: hidden;
    flex-direction: column;
    justify-content: space-between;
    padding: clamp(34px, 6vw, 78px);
    background: linear-gradient(
        155deg,
        #061b31,
        #0a315a 58%,
        #155b8f
    );
    color: #fff;
}

.auth-brand::after {
    position: absolute;
    right: -150px;
    bottom: -150px;
    width: 420px;
    height: 420px;
    border: 64px solid rgba(255, 255, 255, .055);
    border-radius: 50%;
    content: "";
}

.auth-logo {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    gap: 14px;
}

.auth-logo-mark {
    display: grid;
    width: 50px;
    height: 50px;
    place-items: center;
    border: 1px solid rgba(255, 255, 255, .2);
    border-radius: var(--radius);
    background: rgba(255, 255, 255, .08);
}

.auth-logo-mark svg {
    width: 28px;
    height: 28px;
}

.auth-logo strong,
.auth-logo small {
    display: block;
}

.auth-logo strong {
    font-size: 1.12rem;
}

.auth-logo small {
    color: #b5cadb;
}

.auth-message {
    position: relative;
    z-index: 1;
    max-width: 600px;
    margin: auto 0;
    padding: 60px 0;
}

.auth-message span {
    color: #8fc9ec;
    font-size: .75rem;
    font-weight: 800;
    letter-spacing: .11em;
    text-transform: uppercase;
}

.auth-message h1 {
    margin: 10px 0 14px;
    font-size: clamp(2rem, 5vw, 3.7rem);
    line-height: 1.04;
}

.auth-message p {
    max-width: 520px;
    margin: 0;
    color: #c3d4e1;
    font-size: 1.03rem;
    line-height: 1.65;
}

.auth-foot {
    position: relative;
    z-index: 1;
    color: #9db4c6;
    font-size: .78rem;
}

.auth-main {
    display: grid;
    place-items: center;
    padding: 28px;
}

.auth-card {
    width: min(100%, 480px);
    padding: clamp(26px, 5vw, 42px);
    border-radius: var(--radius);
    background: #fff;
}

.auth-card h2 {
    margin: 0;
    color: var(--navy-dark);
    font-size: 1.65rem;
}

.auth-card > .lead {
    margin: 7px 0 26px;
    color: var(--muted);
}

.auth-field {
    margin-bottom: 16px;
}

.auth-field label {
    display: block;
    margin-bottom: 6px;
    color: #405164;
    font-size: .78rem;
    font-weight: 800;
    letter-spacing: .035em;
    text-transform: uppercase;
}

.auth-input {
    width: 100%;
    min-height: 48px;
    padding: 10px 12px;
    border: 1px solid #bfcbd6;
    border-radius: var(--radius);
    outline: 0;
    background: #fff;
    color: var(--ink);
    font: inherit;
}

.auth-input:focus {
    border-color: #195b8f;
    box-shadow: 0 0 0 3px rgba(25, 91, 143, .13);
}

.auth-button {
    display: flex;
    width: 100%;
    min-height: 48px;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 8px;
    border: 1px solid var(--navy);
    border-radius: var(--radius);
    background: var(--navy);
    color: #fff;
    font: inherit;
    font-weight: 400;
    font-size: 14px;
    cursor: pointer;
}

.auth-button:hover {
    background: var(--navy-dark);
}

.auth-button svg {
    width: 19px;
    height: 19px;
}

.auth-links {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-top: 20px;
    font-size: .86rem;
}

.auth-links a {
    color: #195b8f;
    font-weight: 700;
    text-decoration: none;
}

.auth-alert {
    display: flex;
    gap: 9px;
    margin-bottom: 18px;
    padding: 11px 12px;
    border: 1px solid #e8b5b8;
    border-radius: var(--radius);
    background: #fdecee;
    color: #922126;
    font-size: .88rem;
}

.auth-alert.success {
    border-color: #a9d6bf;
    background: #e8f6ef;
    color: #12673f;
}

.auth-note {
    margin-top: 18px;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #f5f8fa;
    color: var(--muted);
    font-size: .8rem;
}

.auth-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

.auth-grid .wide {
    grid-column: span 2;
}

.icon {
    width: 1.25rem;
    height: 1.25rem;
    fill: none;
    stroke: currentColor;
}

@media (max-width: 900px) {
    .auth-shell {
        grid-template-columns: 1fr;
    }

    .auth-brand {
        min-height: 260px;
        padding: 28px;
    }

    .auth-message {
        padding: 38px 0 20px;
    }

    .auth-message h1 {
        font-size: 2.15rem;
    }

    .auth-foot {
        display: none;
    }

    .auth-main {
        padding: 22px 16px 36px;
    }

    .auth-card {
        position: relative;
        z-index: 3;
        margin-top: -34px;
    }
}

@media (max-width: 520px) {
    .auth-brand {
        min-height: 230px;
        padding: 22px;
    }

    .auth-message p {
        display: none;
    }

    .auth-main {
        padding: 16px 12px 28px;
    }

    .auth-card {
        padding: 23px 18px;
    }

    .auth-grid {
        grid-template-columns: 1fr;
    }

    .auth-grid .wide {
        grid-column: auto;
    }

    .auth-links {
        align-items: flex-start;
        flex-direction: column;
    }
}