/* Auth / Header UI */
.header-auth {
    display: flex;
    justify-content: space-between;
    /* Space out: Toggle on Left, Auth on Right */
    align-items: center;
    margin-bottom: 20px;
    padding: 10px 20px;
    background-color: var(--header-bg);
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.auth-user-area {
    display: flex;
    align-items: center;
    gap: 15px;
}

.user-name {
    font-weight: 600;
    font-size: 1.1rem;
}

.btn-auth {
    background-color: var(--accent-color);
    color: #000;
    padding: 8px 16px;
    text-decoration: none;
    font-weight: bold;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: transform 0.1s;
}

.btn-auth:hover {
    transform: translateY(-2px);
    filter: brightness(1.1);
}

.btn-icon {
    background: none;
    border: 1px solid var(--border-color);
    border-radius: 50%;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1.2rem;
    color: var(--text-color);
    transition: background-color 0.2s;
}

.btn-icon:hover {
    background-color: var(--slot-bg);
}

/* Navigation Tabs */
.nav-tabs {
    display: flex;
    gap: 5px;
    background-color: transparent;
    border-bottom: 2px solid var(--border-color);
    margin-bottom: 20px;
    padding: 0 10px;
}

.nav-tab {
    padding: 12px 24px;
    cursor: pointer;
    background-color: var(--card-bg);
    /* Use card bg for tabs */
    color: var(--text-secondary);
    font-weight: 600;
    border-top-left-radius: 6px;
    border-top-right-radius: 6px;
    border: 1px solid transparent;
    transition: color 0.2s, background-color 0.2s;
}

.nav-tab:hover {
    color: var(--text-color);
    background-color: var(--slot-bg);
}

.nav-tab.active {
    background-color: var(--slot-bg);
    color: var(--text-color);
    /* or accent color? */
    border-bottom: 3px solid var(--accent-color);
    margin-bottom: -2px;
    /* Overlap border */
}