body {
    background-color: var(--background);
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: var(--spacing-md);
}

.login-container {
    width: 100%;
    max-width: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}

.login-card {
    background-color: var(--surface);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
    width: 100%;
    border: 1px solid var(--border-light);
    text-align: center;
}

.login-card h1 {
    color: var(--text-dark);
    margin-bottom: var(--spacing-sm);
}

.subtitle {
    text-align: center;
    color: var(--text-light);
    font-size: 0.95rem;
    margin-bottom: var(--spacing-xl);
}

#phone-step,
#code-step {
    animation: fadeIn 0.3s ease-in-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.code-hint {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-md);
}

input[type="tel"] {
    text-align: center;
    letter-spacing: 0.15em;
    font-weight: 500;
}

input[type="text"]#code {
    text-align: center;
    font-size: 1.5rem;
    letter-spacing: 0.3em;
    font-weight: 600;
    font-family: 'Nybolig', monospace; /* Use brand font even for code if possible, or monospace if needed */
}

.btn-primary {
    margin-top: var(--spacing-md);
}

#request-code-btn:disabled,
#verify-code-btn:disabled {
    opacity: 0.6;
    background-color: #9ca3af;
}

/* Responsive */
@media (max-width: 768px) {
    body {
        justify-content: flex-start;
        min-height: 100svh;
    }

    .login-container {
        align-items: flex-start;
        min-height: 100svh;
        padding-top: calc(env(safe-area-inset-top) + 24px);
        padding-bottom: 24px;
    }
}

@media (max-width: 480px) {
    .login-card {
        padding: var(--spacing-lg);
        border-radius: var(--radius-md);
        box-shadow: var(--shadow-md);
        border: none;
    }

    .login-card h1 {
        font-size: 1.5rem;
    }

    .subtitle {
        font-size: 0.9rem;
    }
}

.app-version {
    margin-top: 20px;
    font-size: 0.75rem;
    color: var(--text-light);
    opacity: 0.7;
}