/* Login overlay */
#login-overlay {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 10000;
    background: #f5f5f7;
    align-items: center;
    justify-content: center;
}

.login-card {
    background: #fff;
    border-radius: 16px;
    padding: 48px 40px;
    box-shadow: 0 4px 24px rgba(0,0,0,0.08);
    text-align: center;
    max-width: 380px;
    width: 90%;
}

.login-card h2 {
    margin: 0 0 8px;
    font-size: 24px;
    font-weight: 600;
    color: #1d1d1f;
}

.login-card p {
    margin: 0 0 24px;
    color: #86868b;
    font-size: 14px;
}

.google-signin-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 24px;
    border: 1px solid #dadce0;
    border-radius: 8px;
    background: #fff;
    color: #3c4043;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.15s, box-shadow 0.15s;
}

.google-signin-btn:hover {
    background: #f8f9fa;
    box-shadow: 0 1px 3px rgba(0,0,0,0.12);
}

.login-error {
    color: #d93025;
    font-size: 13px;
    margin-top: 16px;
    min-height: 18px;
}

/* User info in header */
#user-info {
    display: none;
    align-items: center;
    gap: 8px;
    margin-left: auto;
    margin-right: 8px;
    font-size: 13px;
    color: #1d1d1f;
}

.user-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
}

#signout-btn {
    background: none;
    border: 1px solid #d2d2d7;
    border-radius: 6px;
    padding: 4px 10px;
    font-size: 12px;
    color: #86868b;
    cursor: pointer;
    transition: background 0.15s;
}

#signout-btn:hover {
    background: #f5f5f7;
    color: #1d1d1f;
}