/* Auth Screen Styles */
#login-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: var(--bg-canvas);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999; /* High z-index to cover all app elements including filters and date pickers */
}

#login-overlay.hidden {
    display: none;
}

.login-card {
    background-color: var(--bg-panel);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    text-align: center;
    max-width: 400px;
    width: 90%;
    border: 1px solid var(--border-color);
}

.login-card h1 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
    font-size: 1.5rem;
}

.login-card p {
    color: var(--text-muted);
    margin-bottom: var(--spacing-lg);
}

.login-btn-container {
    display: flex;
    justify-content: center;
}

/* Logout Button */
#logout-btn {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-muted);
    padding: var(--spacing-xs);
    margin-left: auto;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}

#logout-btn:hover {
    color: var(--danger-color);
    background-color: rgba(239, 68, 68, 0.1);
}

.logo-area {
    display: flex;
    align-items: center;
    justify-content: space-between;
}