/* Login Overlay */
#login-overlay {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg, #0f1117);
}

.login-container {
    text-align: center;
    max-width: 420px;
    width: 100%;
    padding: 2rem;
}

.login-logo {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary, #6c5ce7);
    margin-bottom: 2.5rem;
    letter-spacing: -0.02em;
}

.login-logo svg {
    width: 32px;
    height: 32px;
    vertical-align: middle;
    margin-right: 0.5rem;
    stroke: var(--primary, #6c5ce7);
}

.login-card {
    background: var(--card-bg, #1a1d28);
    border: 1px solid var(--border, rgba(255,255,255,0.06));
    border-radius: 16px;
    padding: 2.5rem 2rem;
}

.login-card h2 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text, #e0e0e0);
    margin: 0 0 0.5rem;
}

.login-card p {
    font-size: 0.85rem;
    color: var(--text-muted, #8b8fa3);
    margin: 0 0 2rem;
}

#google-signin-btn {
    display: flex;
    justify-content: center;
    min-height: 44px;
}

#login-error {
    margin-top: 1.25rem;
    padding: 0.75rem 1rem;
    background: rgba(235, 87, 87, 0.1);
    border: 1px solid rgba(235, 87, 87, 0.25);
    border-radius: 8px;
    color: #eb5757;
    font-size: 0.82rem;
    line-height: 1.4;
}

/* Sidebar logout button */
.sidebar-user {
    position: relative;
}

.sidebar-logout-btn {
    position: absolute;
    top: 50%;
    right: 0;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-muted, #8b8fa3);
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    opacity: 0;
    transition: opacity 0.15s, color 0.15s;
}

.sidebar-user:hover .sidebar-logout-btn {
    opacity: 1;
}

.sidebar-logout-btn:hover {
    color: #eb5757;
}

.sidebar-logout-btn svg {
    width: 16px;
    height: 16px;
    display: block;
}

/* Viewer role restrictions */
.role-viewer .admin-only {
    display: none !important;
}