.login-page {
    display: flex;
    min-height: 100vh;
}

.login-brand {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--brand-gradient);
    color: #ffffff;
    padding: 2rem;
}

.login-brand-content {
    max-width: 420px;
    text-align: center;
}

.login-logo {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    margin-bottom: 1.5rem;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--color-accent-light), var(--color-accent));
    box-shadow: 0 8px 20px rgba(16, 185, 129, 0.25);
    color: #ffffff;
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 0.05em;
}

.login-brand h1 {
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 0.75rem;
}

.login-brand p {
    font-size: 1rem;
    line-height: 1.65;
    color: rgba(255, 255, 255, 0.75);
}

.login-form-panel {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-background);
    padding: 2rem;
}

.login-form-wrapper {
    width: 100%;
    max-width: 420px;
    padding: 2rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border-soft);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
}

.login-form-wrapper h2 {
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--color-text);
    margin-bottom: 0.35rem;
}

.login-subtitle {
    color: var(--color-text-muted);
    font-size: 0.92rem;
    margin-bottom: 1.5rem;
}

.demo-login-banner {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    margin-bottom: 1.25rem;
    padding: 0.85rem 1rem;
    border-radius: var(--radius-sm);
    background: var(--color-accent-soft);
    border: 1px solid #bbf7d0;
    color: #166534;
    font-size: 0.88rem;
}

.demo-login-banner strong {
    font-size: 0.92rem;
}

.demo-login-banner code {
    padding: 0.1rem 0.35rem;
    border-radius: 4px;
    background: #dcfce7;
    color: #14532d;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 1.15rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
}

.form-group label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-text);
}

.btn-signin {
    width: 100%;
    margin-top: 0.35rem;
    padding: 0.85rem 1rem;
    border: none;
    border-radius: var(--radius-sm);
    background: var(--color-accent);
    color: #ffffff;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 4px 14px rgba(16, 185, 129, 0.25);
    transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}

.btn-signin:hover {
    background: var(--color-accent-dark);
    box-shadow: 0 6px 18px rgba(16, 185, 129, 0.3);
}

.btn-signin:active {
    transform: translateY(1px);
}

.validation-summary {
    padding: 0.85rem 1rem;
    border-radius: var(--radius-sm);
    background: #fef2f2;
    color: #b91c1c;
    font-size: 0.88rem;
}

.validation-summary ul {
    margin: 0;
    padding-left: 1.1rem;
}

.field-validation {
    color: #b91c1c;
    font-size: 0.82rem;
}

@media (max-width: 900px) {
    .login-page {
        flex-direction: column;
    }

    .login-brand {
        min-height: 260px;
    }

    .login-form-panel {
        padding: 1.25rem;
    }

    .login-form-wrapper {
        padding: 1.5rem;
        box-shadow: none;
        border: none;
        background: transparent;
    }
}