body {
    background-color: var(--bg-body);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    margin: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.login-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-card);
    padding: 40px;
    border-radius: 15px;
    box-shadow: var(--shadow-card);
    width: 100%;
    max-width: 450px;
    position: relative;
    animation: fadeIn 0.5s ease-in-out;
}

.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.login-logo {
    width: min(230px, 100%);
    height: auto;
    margin-bottom: 12px;
}

.login-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 5px;
}

.login-subtitle {
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 500;
}

.form-label {
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.login-footer {
    text-align: center;
    margin-top: 20px;
    font-size: 0.85rem;
}

.theme-toggle-wrapper {
    position: absolute;
    top: 16px;
    right: 16px;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}