:root {
    --auth-bg: #eef3fb;
    --auth-card: #ffffff;
    --auth-text: #1f2937;
    --auth-muted: #6b7280;
    --auth-primary: #355dff;
    --auth-border: #dce3ef;
}

body {
    background:
        radial-gradient(circle at top left, rgba(53, 93, 255, 0.18), transparent 32rem),
        linear-gradient(135deg, #f7f9fd 0%, var(--auth-bg) 100%);
    color: var(--auth-text);
    font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    min-height: 100vh;
}

.auth-shell {
    align-items: center;
    display: flex;
    min-height: 100vh;
    padding: 2rem 1rem;
}

.auth-card {
    background: var(--auth-card);
    border: 1px solid var(--auth-border);
    border-radius: 1.1rem;
    box-shadow: 0 1.25rem 3rem rgba(31, 41, 55, 0.12);
    margin: 0 auto;
    max-width: 460px;
    width: 100%;
}

.auth-brand {
    align-items: center;
    background: var(--auth-primary);
    border-radius: 0.85rem;
    color: #fff;
    display: inline-flex;
    font-size: 1.55rem;
    height: 3.25rem;
    justify-content: center;
    width: 3.25rem;
}

.auth-card .form-control {
    border-color: var(--auth-border);
    border-radius: 0.75rem;
    min-height: 2.9rem;
}

.auth-card .btn {
    border-radius: 0.75rem;
    min-height: 2.9rem;
}

.password-toggle {
    border-bottom-right-radius: 0.75rem;
    border-top-right-radius: 0.75rem;
}

.auth-link {
    color: var(--auth-primary);
    font-weight: 600;
    text-decoration: none;
}

.auth-link:hover {
    text-decoration: underline;
}