.login-viewport {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--paper-bg); /* Inverts automatically! */
    transition: background 0.3s ease;
}

.login-card {
    width: 100%;
    max-width: 480px;
    padding: 3.5rem;
    background: var(--paper-sheet);
    border: 6px solid var(--ink-border);
    box-shadow: 16px 16px 0px var(--ink-border);
}

.foundry-title {
    font-size: 2.8rem;
    font-weight: 900;
    letter-spacing: -3px;
    color: var(--ink-dark);
}

.brutal-input {
    width: 100%;
    border: 4px solid var(--ink-border);
    padding: 1rem;
    font-weight: bold;
    background: var(--paper-sheet);
    color: var(--ink-dark);
    outline: none;
}

.brutal-btn-primary {
    background: var(--brand-accent); /* Your Electric Orange */
    border: 4px solid var(--ink-border);
    padding: 1.2rem;
    font-weight: 900;
    text-transform: uppercase;
    box-shadow: 6px 6px 0px var(--ink-border);
    transition: all 0.1s ease;
}

.brutal-btn-primary:hover {
    transform: translate(-2px, -2px);
    box-shadow: 8px 8px 0px var(--ink-border);
}

.brutal-btn-primary:active {
    transform: translate(4px, 4px);
    box-shadow: 0px 0px 0px var(--ink-border);
}