/* Navigation Bar Component */
.nav-taskbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    height: 60px;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.95) 0%, rgba(20, 20, 20, 0.9) 100%);
    border-bottom: 2px solid #00ff00;
    display: flex;
    align-items: center;
    padding: 0; /* align menu precisely with content inner edges */
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0, 255, 0, 0.3);
}

.nav-menu {
    display: flex;
    gap: 8px;
    list-style: none;
    /* Match main-content inner width: container (1200px) minus 2 * 20px padding */
    width: calc(100% - 40px);
    max-width: calc(1200px - 40px);
    margin: 0 auto;
    justify-content: center;
    align-items: stretch;
}

.nav-menu li {
    flex: 1 1 0;
    min-width: 0; /* prevent overflow */
}

.nav-folder {
    background: linear-gradient(135deg, rgba(255, 0, 110, 0.1), rgba(0, 255, 0, 0.1));
    border: 1px solid #00ff00;
    cursor: pointer;
    font-family: 'Orbitron', monospace;
    font-weight: 700;
    font-size: 11px; /* slight reduction */
    letter-spacing: 1px;
    text-transform: uppercase;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    text-decoration: none;
    color: #00ff00;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 9px 14px;
    width: 100%;
}

.nav-folder:hover {
    background: linear-gradient(135deg, rgba(255, 0, 110, 0.3), rgba(0, 255, 0, 0.3));
    box-shadow: 0 0 15px rgba(0, 255, 0, 0.5);
    transform: translateY(-1px);
    color: #00ff00;
}

.nav-folder.active {
    background: linear-gradient(135deg, rgba(255, 0, 110, 0.4), rgba(0, 255, 0, 0.4));
    color: #ff006e;
    text-shadow: 0 0 10px #ff006e;
}

.nav-folder::before {
    content: '>';
    position: absolute;
    left: 5px;
    top: 50%;
    transform: translateY(-50%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.nav-folder.active::before {
    opacity: 1;
}

/* Navigation Responsive */
@media (max-width: 768px) {
    .nav-taskbar {
        min-height: 60px; /* Minimum height, can expand */
        height: auto; /* Allow flexible height */
        padding: 8px 0; /* Add vertical padding for spacing */
    }

    .nav-menu {
        width: calc(100% - 20px);
        max-width: none;
        margin: 0 auto;
        flex-wrap: wrap;
        gap: 6px;
        justify-content: center;
        align-content: flex-start; /* Align to top when wrapping */
    }

    .nav-menu li { 
        flex: 1 1 calc(50% - 6px);
        min-width: calc(50% - 6px);
        max-width: calc(50% - 6px);
    }

    .nav-folder {
        padding: 8px 10px;
        font-size: 10px;
        letter-spacing: 0.3px;
        height: auto;
        min-height: 36px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .nav-folder::before {
        left: 4px;
    }
}

@media (max-width: 480px) {
    .nav-taskbar {
        min-height: 55px; /* Minimum height, can expand */
        height: auto;
        padding: 6px 0;
    }

    .nav-menu {
        width: calc(100% - 16px);
        gap: 4px;
        align-content: flex-start;
    }

    .nav-menu li { 
        flex: 1 1 calc(50% - 4px);
        min-width: calc(50% - 4px);
        max-width: calc(50% - 4px);
    }

    .nav-folder {
        padding: 6px 8px;
        font-size: 9px;
        letter-spacing: 0.2px;
        min-height: 32px;
    }
}

@media (max-width: 360px) {
    .nav-taskbar {
        min-height: 50px;
        height: auto;
        padding: 5px 0;
    }

    .nav-menu {
        width: calc(100% - 10px);
        gap: 3px;
        align-content: flex-start;
    }

    .nav-menu li { 
        flex: 1 1 calc(50% - 3px);
        min-width: calc(50% - 3px);
        max-width: calc(50% - 3px);
    }

    .nav-folder {
        padding: 5px 6px;
        font-size: 8px;
        letter-spacing: 0.1px;
        min-height: 28px;
    }
}

/* Align with content; equal-width buttons keep the row centered */