body {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg);
    margin: 0;
    padding: 24px;
    box-sizing: border-box;
}

.login-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    max-width: 440px;
}

.login-container h1 {
    font-size: 1.8rem;
    color: var(--primary-dark);
    text-align: center;
    margin: 0 0 32px;
    line-height: 1.3;
}

.login-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 32px;
    width: 100%;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    box-sizing: border-box;
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 6px;
}

.form-group input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 15px;
    color: var(--text);
    background: var(--bg);
    box-sizing: border-box;
    transition: border-color 0.2s;
    font-family: inherit;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary);
}

.btn-full {
    width: 100%;
    justify-content: center;
}

.divider {
    display: flex;
    align-items: center;
    margin: 20px 0;
    gap: 10px;
    color: #9aafb0;
    font-size: 13px;
}

.divider::before,
.divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border);
}

.btn-google,
.btn-expand {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 15px;
    font-weight: 500;
    color: var(--text);
    cursor: pointer;
    transition: background 0.2s, border-color 0.2s;
    box-sizing: border-box;
    font-family: inherit;
}

.btn-google:hover,
.btn-expand:hover {
    background: var(--secondary);
    border-color: var(--primary);
}

.btn-expand .chevron {
    margin-left: auto;
    flex-shrink: 0;
    transition: transform 0.25s ease;
}

.btn-expand.expanded .chevron {
    transform: rotate(180deg);
}

.expand-section {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.expand-section.open {
    max-height: 500px;
    padding-top: 16px;
}

.alert {
    margin-bottom: 12px;
}

.google-oauth2-wrapper {
    display: flex;
    justify-content: center;
    width: 100%;
}

@media (max-width: 480px) {
    .login-container h1 {
        font-size: 1.5rem;
    }

    .login-card {
        padding: 24px 20px;
    }
}