* {
    box-sizing: border-box;
}

body {
    height: 100vh;
    width: 100vw;
    display: flex;
    align-items: center;
    justify-content: center;
}

.box-menu {
    text-align: center;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2.5rem 3rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    box-shadow: var(--shadow-card), var(--glow-primary);
    min-width: 320px;
    max-width: 400px;
    width: 90%;
}

.box-menu .bi {
    font-size: 4rem;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

.box-menu .ops-brand {
    align-items: center;
    margin-bottom: 0.5rem;
}

.box-menu .ops-brand__name {
    font-size: 0.875rem;
}

.box-menu .ops-brand__product {
    font-size: 0.75rem;
}

.box-menu h1 {
    font-family: var(--font-sans);
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--text-secondary);
    margin: 0 0 1rem;
}

.login-form {
    width: 100%;
    margin: 0;
    padding: 0;
}

.login-form input {
    margin-bottom: 0.75rem;
    width: 100%;
}

.login-form input:first-of-type {
    margin-top: 0.5rem;
}

#btn-logar {
    width: 100%;
    margin-top: 0.5rem;
    padding: 0.625rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-size: 0.8125rem;
    background: rgba(0, 217, 255, 0.15);
    border: 1px solid rgba(0, 217, 255, 0.5);
    color: var(--color-primary);
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast), box-shadow var(--transition-fast);
}

#btn-logar:hover:not(:disabled) {
    background: rgba(0, 217, 255, 0.28);
    box-shadow: var(--glow-primary);
    color: var(--text-primary);
}

#btn-logar:disabled {
    opacity: 0.65;
    cursor: wait;
}

.login-status {
    margin-top: 1rem;
}